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  Hanging bridge in the Monteverde Cloud Forest Reserve, Costa Rica

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  Golden Gate Bridge and Marin Headlands photographed from Golden Gate Overlook in San Francisco, California

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  Sunset at Saint Mary Lake, Glacier national park, Montana, USA

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  Bungle Bungle Range in Purnululu National Park, Australia

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  Sam Phan Bok (3000 holes), the grand canyon of Thailand

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  Hyalite Creek in the Custer Gallatin National Forest, Montana

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  Rainbow Pool and the field of stars in the World War II Memorial with the Lincoln Memorial in the background, Washington, DC

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  Mayakovskaya Moscow Metro Station, Russia

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  Very Large Array satellite dishes at sunset, Plains of San Agustin, New Mexico, USA

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  Scarlet macaw in Costa Rica

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  Coral reef in Marovo Lagoon in the Solomon Islands

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  Buckingham Palace in London, England

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  Cycling across a natural rock arch in the desert near Moab, Utah

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  Banner Peak and Thousand Island Lake, Ansel Adams Wilderness, California

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  An indigo bunting at the John James Audubon Center at Mill Grove in Audubon, Pennsylvania