From this vantage point high over the Indian Ocean, we have a spectacular view of the "underwater waterfall" formed off the coast of Mauritius. Not a true waterfall, this is an optical illusion—it"s really the trails of sand and silt deposits on the seafloor being washed by currents over the edge of an ocean shelf. But we"re probably not alone in thinking at first glance that the ocean is pouring into some massive unseen drainpipe.
Getting to the bottom of the underwater waterfall
Today in History
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Rainbow Mountain
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It’s Weihnachtsmarkt time!
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The Twin Cities celebrate Pride
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A national icon
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Vieste, Apulia, Italy
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It s Australia Day
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An inland ocean
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Grab onto the handlebars, kid
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Denali National Park
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Hawaii Volcanoes National Park turns 103
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Prince Christian Sound in southern Greenland
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Duck, duck. duck, duck, duck...
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A visit to Limerick on Limerick Day
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Great horned owl near Lake Tohopekaliga, Florida
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Sands of time
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A ‘circus of chaos’ for Stravinsky
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Star Wars Day
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Make your list and check it twice
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Illuminating Annecy
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International Ice and Snow Sculpture Festival, Harbin, China
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Opt outside today
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A monastery in the mountain
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Frozen fun in the Canadian cold
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Icelandic horses, Iceland
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The persistence of Perito Moreno
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Surf s always up in Paia
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Bavarian Forest National Park, Germany
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Let s run em up!
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A light at the edge of the world
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The Zugspitze: Germany s highest point