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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Bathing huts in Skåne County, Sweden
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Hoisting a flag for seafarers
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St. Paul Winter Carnival
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Take the plunge into 2021
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Sunny day, sweepin the clouds away
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World Bee Day
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Lake Tekapo, New Zealand
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Aura River in Turku, Finland
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Salt of the earth
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Kluane National Park
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Celebrating 78 years of Everglades National Park
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Glastonbury Festival begins
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National Park Week: Olympic National Park, Washington
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Spotted owlet, Bangkok, Thailand
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Keep shining
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Extraterrestrial Culture Day
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Pollinator Week
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Take this for a spin...
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A Eurasian lynx in Siberia
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Winter solstice
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Blooming sunflowers
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Merced River, Yosemite National Park, California
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Fight for your lefts
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Common clownfish in a sea anemone, Raja Ampat Islands, Indonesia
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A look at Uranus, seventh planet from the sun
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National Pearl Harbor Remembrance Day
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Big sky at Big Bend
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Abraham Lake, Alberta, Canada
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Lands End, Cornwall, England
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Golden jellyfish in Jellyfish Lake, Palau
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