Axel Gebauer / Helicopter in flight over foothills of Northern Caucasus Mountains, Kabardino-Balkaria, Russia, October.
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Bertie Gregory / Aerial view out of float plane, of the Vancouver Island coastline, Vancouver Island, British Columbia, Canada, July.
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Bertie Gregory / Float plane flying in front of the sunset, Vancouver Island, British Columbia, Canada, July.
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Sergey Gorshkov / Helicopter and photographers campsite in Kamchatka, Far East Russia, July 2005.
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Enrique Lopez-Tapia / Hot air balloon landing after ride over the Namib desert, Namibia, February 2005.
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Enrique Lopez-Tapia / Hot air balloon ride over the Namib desert.
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Enrique Lopez-Tapia / Tourists taking photos from hot air balloon ride over the Namib desert, Namibia, February 2005.
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Enrique Lopez-Tapia / Silhouette of hot air balloon over the Namib desert, Namibia, February 2005.
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Enrique Lopez-Tapia / Hot air balloon ride over the Namib desert, Namibia, February 2005.
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Enrique Lopez-Tapia / Hot air balloon ride over the Namib desert at sunset, Namibia, February 2005.
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Tim Laman / Anand Varma (left) and photographerTim Laman aboard a helicopter flying west of Yasuni National Park, Francisco de Orellana Province, Ecuador, July.
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Wild Wonders of Europe / Widstr / Microlight in flight over Arda river canyon, Madzharovo, Eastern Rhodope Mountains, Bulgaria, May 2013.