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The dichotomy of a modern satellite dish on an old traditional farm house in a small town in rural China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The Wanming Pagoda in the ancient town of Fenghuang at night. China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A bamboo forest growing along the bank of the Li River in China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Lysimachia kwangtungensis has no common name. It is a perennial flowering herb native to China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Lysimachia kwangtungensis has no common name. It is a perennial flowering herb native to China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Detail of vegetation growing on the limestone cliffs along the Li River in China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A foggy morning view of the ancient town of Fenghuang from the old city wall. China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A traditional broom made of small branches leaning against a building in the Hunan Province of China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The Li River and forested limestone karst formations in China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The Li River and forested limestone karst formations in China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The Li River and forested limestone karst formations in China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Cormorants on a raft in the Tuojiang River with the city of Fenghuang lit up at night. China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Chinese tourists crossing Tiananmen Square in the rain. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Detail of a Chinese lion dance mask used for celebrating the Chinese New Year. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The ornate gate into Beihai Park with the White Dagoba in the background. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Early morning fog in the Mutianyu Valley below the Great Wall of China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The White Dagoba or Bai Ta stupa and ShanYin Pavilion in Beihai Park in Bejing,. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The cable car to carry tourists from Mutianyu to the Great Wall in China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A cityscape of downtown Beijing with the Wanchun Pavilion on Coal Hill in Jingshan Park at left. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Bedouin family in a traditional tent. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

V & A Waterfront at dusk. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

And off road vehicle drives on sand dunes of the Erg Awbari. Libya. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Chinese tourists below the cable car to the Great Wall on the ridge above Mutinayu in China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Chinese tourists below the cable car to the Great Wall on the ridge above Mutinayu in China. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Detail of the Communist symbols over the entrance to the National Museum of China with the moon. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Separators and a crude oil storage tank battery on an oil well location in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A conventional horsehead oil well pump jack unit on an oil well site in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A telescoping truck-mounted workover rig telescoped down prior to moving to another oil well location. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A telescoping truck-mounted workover rig folding down prior to moving to another oil well location. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A telescoping truck-mounted workover rig folding down prior to moving to another oil well location. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A partially disassembled blowout preventer on an oil well head undergoing intervention. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Service crew by a partially disassembled blowout preventer on an oil well head undergoing intervention. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A crude oil collection pipeline in an oil field in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A crude oil collection pipeline in an oil field in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A crude oil collection pipeline in an oil field in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A crude oil collection pipeline in an oil field in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A telescoping truck-mounted workover rig folding up on an oil well location. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A telescoping truck-mounted workover rig folding up on an oil well location. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

Hydraulic oil well pumping unit being set down with a telehandler after removal from the wellhead. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The traveling block on a portable truck-mounted oil well service workover rig in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The traveling block on a portable truck-mounted oil well service workover rig in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The blowout preventer is a safety device attached to the wellhead during certain maintenance work. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A Frozen waterfall in Sweden. Sweden. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of Zabriskie Point. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The Brooklyn bridge through a window. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of Manhattan and the Freedom Tower. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A cityscape of Manhattan skyline and Brooklyn bridge. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of Freedom Tower from Battery place. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of the Flatiron building in Madison square. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of the Flatiron building in Madison square. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A View of Manhattan from Empire State Building. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A View of Manhattan from Empire State Building. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

People walking on a New York City subway station. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A colorful house in Cerro Alegre District. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Bavarian forest in autumn. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Acacia tree at sunrise. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Joshua Tree NP. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Manhattan Bridge. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Manhattan Bridge. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Buildings in the Financial district. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Manhattan Bridge at night. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Times square at dusk. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Frisay market in Union square. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Frisay market in Union square. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Madison square. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The Empire State Building. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The Grand Central station. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Lemaire channel in Antarctica. Antarctica. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Lemaire channel in Antarctica. Antarctica. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A long stroke belt pump and a traditional pump jack on adjacent oil wells in the canyon country of Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A long stroke belt pump and a traditional pump jack on adjacent oil wells in the canyon country of Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An oil storage tank battery and separating equipment on an oil well location in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An acid tanker carrying acid for acidizing an oil well to restore production. Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An acid pump truck for pumping acid down an oil well to dissolve deposite impeding production. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An acid pump truck for pumping acid down an oil well to dissolve deposite impeding production. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An acid tanker carrying acid for acidizing an oil well to restore production. Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An acid tanker and pumper truck for acidizing an oil well to restore production. Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An acid pump truck for pumping acid down an oil well to dissolve deposite impeding production. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An acid tanker and pumper truck acidizing an oil well to restore production. Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

An empty road leading to Cape of Good Hope Cape Town Western Cape South Africa. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

An empty road leading to Cape of Good Hope Cape Town Western Cape South Africa. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A small Chinese boy holds a bundle of green onions in the ancient town of Fenghuang

A small Chinese boy holds a bundle of green onions in the ancient town of Fenghuang

Sunset on the Grey Lake. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The Grey glacier and Grey Lake. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Sunset over Torres del Paine. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Frozen Tornetrask Lake in Sweden. Sweden. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Landscape view of frozen Tornetrask Lake. Sweden. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Ice formations covered by snow at Tornetrask Lake. Sweden. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Salt crust in tyhe Badwater Basin. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

An emprty road in Joshua Tree NP. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Low angle view of Aurora borealis at night. Sweden. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Exterior view of the Guggenheim museum. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The Brooklyn bank in the mist. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Manhattan bridge in the morning mist. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Manhattan bridge in the morning mist. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The Manhattan bridge in the morning mist. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Wall street sign in New York Financial district. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Broadway sign in New York Financial district. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

FDNY 14 Engine fire fighters quarter. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

FDNY 14 Engine fire fighters quarter. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

People playing music in the subway. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of V & A Waterfront and Table mountain in the background. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A traditional rice wine distillery in the ancient town of Furong

A view of Lago del Toro and Torres del Paine at sunset. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of laguna Amarga at sunrise. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of laguna Amarga at sunrise. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of Torres del Paine from Laguna Amarga at sunrise. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of the granite towers of Cuernos del Paine. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A landscape of Badwater Basin in the Death Valley. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A landscape of Badwater Basin in the Death Valley. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A canyon along the Artist Drive road in the Death Valley NP. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of Cholla Cactus Garden at sunset. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of New York City skyline from Jacqueline Kennedy Reservoir in Central Park. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of New York City skyline in the morning mist. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A view of the Manhattan bridge from Washington street in Brooklyn. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A View of Manhattan and Chrysler Building from the roof of Empire State Building. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A Chinese man in a conical hat trims small onions for cooking in the ancient town of Furong

A Chinese man in a conical hat trims small onions for cooking in the ancient town of Furong

A bas relief frieze of Buddha over a small gate through the city wall of the Fenghuang Ancient Town

A bas relief frieze of Buddha over a small gate through the city wall of the Fenghuang Ancient Town

A portrait of an older woman of the Zhuang ethnic minority group in traditional attire at Longshen

The well service crew picks up the rear load beam for a workover rig with a telehandler on a oil well site. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A rack of oil field pipe with a workover rig or pulling unit in the background at an oil well silte. Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A telescoping truck-mounted workover rig telescoping up to full length on a new oil well location. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A well service hand on top of a hydraulic pumping unit prepares to attach the traveling block to the unit. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A well service hand on top of a hydraulic pumping unit prepares to attach the traveling block to the unit. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A well service hand on top of a hydraulic pumping unit prepares to attach the traveling block to the unit. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A long stroke belt driven pump on an oil well in Utah. Behind is a tank battery or temporty oil storage tanks. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A crude oil storage tank battery for collecting oil from wells before transporting by truck to a refinery. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A crude oil storage tank battery for collecting oil from wells before transporting by truck to a refinery. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A heating tank for heating very viscous crude oil to make it easier to pump into a transport truck. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig connects the hoses for a hot oil treatment on an oil well. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A derrickman or derrickhand on the tubing board on the mast of a workover rig on an oil well in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A derrickman or derrickhand on the tubing board on the mast of a workover rig on an oil well in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A derrickman or derrickhand on the tubing board of a workover rig on an oil well site in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A derrickman or derrickhand on the tubing board of a workover rig on an oil well site in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a pulling unit or workover rig works on an oil well in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig providing maintenance on an oil well in the canyon country of Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. Behind are the Monitor & Merrimac Buttes & Book Cliffs. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. Behind are the Monitor & Merrimac Buttes & Book Cliffs. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig providing maintenance on an oil well in the canyon country of Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig providing maintenance on an oil well in the canyon country of Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig providing maintenance on an oil well in the canyon country of Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. Behind are the Monitor & Merrimac Buttes & Book Cliffs. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A conventional horsehead oil well pump jack unit and heater treaters on an oil well site in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. Behind are the Monitor & Merrimac Buttes & Book Cliffs. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. Behind are the La Sal Mountains & Behind the Rocks. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a pulling unit or workover rig works on an oil well in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A conventional horsehead oil well pump jack unit and storage tank battery on an oil well site in Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. Behind are the Monitor & Merrimac Buttes & Book Cliffs. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A telescoping truck-mounted workover rig folded down prior to setting up on an oil well location. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A telescoping truck-mounted workover rig folded down prior to setting up on an oil well location. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The operator on a well service workover rig running the controls on the rig on an oil well. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The operator on a well service workover rig running the controls on the rig on an oil well. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A workover rig with an acid tanker and pumper truck acidizing an oil well to restore production. Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A workover rig with an acid tanker and pumper truck acidizing an oil well to restore production. Utah. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. Behind are the Monitor & Merrimac Buttes & Book Cliffs. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A pulling unit or workover rig on an oil well in Utah. Behind are the Monitor & Merrimac Buttes & Book Cliffs. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig uses power tongs to reconnect the sections of tubing on an oil well. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

The well service crew on a workover rig works on an oil well to try to bring it back into service. (Photo by: Jon G. Fuller / VWPics/Universal Images Group via Getty Images)

A baobab tree at twilight. Botswana. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A baobab tree at twilight. Botswana. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A dead tree at sunset. Botswana. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

A dead tree at sunset. Botswana. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

An aerial view of West Falkland island. Falkland Islands. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

An aerial view of West Falkland island. Falkland Islands. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

An aerial view of West Falkland island. Falkland Islands. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Land Rover vehicles in a settlement on the Falkland Islands. Falkland Islands. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Clouds over Lago Pehoe and Los Cuernos del Paine. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Icebergs floating in the Grey Lake with Torres del Paine in the background. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The granite towers of Cuernos del Paine. Ultima Esperanza Chile. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Low angle view of trees in Bavarian Forest National Park. Germany. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The plains of Masai Mara dotted by acacia trees. Kenya. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Detail of Ice stalactites along the bank of Tornetrask Lake. Sweden. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The 'Artist's Palette'in the Death Valley NP. California USA. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The New York Knicks versus the Phoenix suns during an NBA match at Madison Square Garden. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

The Brooklyn bridge and New York City skyline in the morning mist. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Battery Park City and the Freedom Tower at World Trade Center. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Battery Park City and the Freedom Tower at World Trade Center. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Manhattan skyline and the Brooklyn bridge in the mist at dusk. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Manhattan skyline and the Brooklyn bridge in the mist at dusk. (Photo by: Sergio Pitamitz / VWPics/Universal Images Group via Getty Images)

Traditional architecture of the ancient town of Furong

Traditional woven bamboo conical hats for sale on the street in the ancient town of Furong

Traditional Diaojiao houses on stilts along the banks of the Tuojiang River. Ancient town of Fenghuang

Traditional Diaojiao houses on stilts along the banks of the Tuojiang River. Ancient town of Fenghuang