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  Researcher working at an ice camp under clear polar sky, Weddell Sea, Antarctica

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  A Wallace's flying frog glides to the forest floor

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  Women's suffragists who walked from New York City to Washington, DC, to join the National American Woman Suffrage Association parade on March 3, 1913

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  Fairy chimneys and cave dwellings in Uçhisar, Cappadocia, Turkey

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  Spectral tarsiers in a ficus tree in Tangkoko Batuangus Nature Reserve, Indonesia

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  Divers at El Pit cenote, located in Sistema Dos Ojos, Quintana Roo, Mexico

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  Saguaro cactus flowers, Coronado National Forest, Arizona

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  Like an angel, chaffinch (Fringilla), Cantabria, Spain

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  The Broadway Tower on Broadway Hill, Worcestershire, England, UK

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  Starry night in the Gobi Desert, Ordos, Inner Mongolia, China

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  Male mountain bluebird in Yellowstone National Park, Wyoming

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  Path through beech tree forest, Germany

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  City night view and skyrocket fireworks, Shinjuku Ward, Tokyo, Japan

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  Bird's-eye view of Bronte Baths ocean pool outside Sydney, Australia

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  Dall Sheep (Ovis dalli) ram, Denali National Park, Alaska, USA