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International Ice and Snow Sculpture Festival, Harbin, China
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What are these beautiful sandy waves?
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Emerald Bay and Fannette Island, Lake Tahoe, California, United States
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Daylight Savings
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Red kite in snow
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Mosque-Cathedral of Córdoba, Andalusia, Spain
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Dragon waterfall, Venezuela
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European beech forest, Belgium
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International Bat Appreciation Day
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Fibonacci Day
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World Rainforest Day
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Gulf Islands National Seashore, Florida, USA
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World Architecture Day
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Moon Day
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An engineering marvel
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Salt evaporation ponds on the island of Gozo, Malta
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Vernazza, Cinque Terre, Liguria, Italy
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History awaits atop the hill
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If these walls could talk...
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Sway with the Amazonian canopy
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You might be a red-necked grebe if…
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Penguin Awareness Day
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The other great barrier reef
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Mount Hood, Oregon
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How can we help at-risk animals?
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Tide pools in La Jolla, California, United States
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Magnified moss
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Lets protect our turtles
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Whitehaven Beach, Whitsunday Islands, Australia
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Aerial view of Palmanova, a fortress city in Friuli, Italy