Green sea turtle diving, Great Barrier Reef, Queensland, Australia (© imageBROKER/Alamy)

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Aerial view of volcanic Lake Pinatubo and mountains, Luzon, Philippines (© Amazing Aerial Agency/Offset by Shutterstock)

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The George Washington Bridge displays the American flag in honor of Flag Day, June 14, 2016, Fort Lee, New Jersey (© Robert D. Barnes/Getty Images)

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Eurasian brown bear cub in the taiga forest, Finland (© Jules Cox/Minden Pictures)

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View of the Rio Grande in Big Bend National Park, Texas (© Ian Shive/Tandem Stills + Motion)

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Small loch in Glen Etive, Scotland (© Oliver Hellowell/Minden Pictures)

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Nossa Senhora da Graça Fort near Elvas, Portugal (© Luis Pina Photography/Shutterstock)

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