Lake Peipus, the fifth-largest lake in Europe, dates back hundreds of millions of years to the Paleozoic Era and is known for its sand dunes, which can "sing" when the wind blows just right. In the winter the frozen lake surface may feature ice hummocks, as seen in this image. The hummocks are caused by slow, uneven pressure in the ice pack.
Lake Peipus, Estonia
Today in History
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Weaverbird nests at Kenya’s Samburu National Reserve
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‘You should see the one that got away!’
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League of Nations, 100 years later
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China s colorful terraced pools
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Ski touring in Austria
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Take the Stairs Day
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Abraham Lake, Alberta, Canada
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The Matterhorn reflected in Lake Stellisee at sunrise, Zermatt, Switzerland
More Desktop Wallpapers:
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World Elephant Day
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Rosa Parks Day
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Chapel of St. Michel on Lake Serre-Ponçon, Hautes-Alpes, France
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International Polar Bear Day
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Happy Boxing Day!
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It s tree-climbing season
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A medieval celebration in the Mediterranean
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A temple, preserved
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75 years of the United Nations
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Blackbird in Essex, England
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An oceanic valentine
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Time to count some birds
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Dog days of summer
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Southern right whale
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International Women s Day
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Chilling out in the Arctic
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The Crown Jewel of the North Atlantic
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Jaguar in the Pantanal wetlands
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Albuquerque International Balloon Fiesta
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Polar Bear Week
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Río Negro, Amazon basin, Brazil
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A spectacle unlike any other
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World Giraffe Day
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The Colosseum of Rome, Italy
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Poppies in bloom
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Skyscraper Day
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This park is Superkilen
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Why you should thank a nurse today
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Monarch butterflies, Pismo Beach, California
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Desert rose of Qatar
Bing Wallpaper Gallery

