Alex Hyde / Water cascading over naturally formed tufa dam. Tufa is a kind of limestone, formed from the precipitation of carbonate minerals which builds up around mosses and water plants to form a solid limeston...
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Juan Carlos Munoz / Water cascading down Toberia falls, Andoin, Sierra Entzia Natural Park, Alava, Basque Country, Spain, April.
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Vincent Grafhorst / Victoria Falls cascading 420 feet into chasm, largest waterfall in the world, UNESCO World Heritage Site, Zimbabwe
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Vincent Grafhorst / Victoria Falls cascading 420 feet into chasm, largest waterfall in the world at low water level, UNESCO World Heritage Site, Zimbabwe
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Vincent Grafhorst / Victoria Falls cascading 420 feet into chasm, largest waterfall in the world with rainbow, UNESCO World Heritage Site, Zimbabwe
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Luciano Candisani / Waterfall, Chapada dos Veadeiros National Park, Goias State, Brazil
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Wild Wonders of Europe / Zupanc / River Zadnjica cascading over moss covered stones, Triglav National Park, Slovenia, July 2009
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Wild Wonders of Europe / Zupanc / River Lepenjica cascading over rocks, Triglav National Park, Slovenia, July 2009
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Wild Wonders of Europe / Zupanc / River Zadnjica, cascading past moss covered stones, Triglav National Park, Slovenia, July 2009
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Wild Wonders of Europe / Cairns / Cascading river through autumnal foliage, Sarek National Park, Laponia World Heritage Site, Lapland, Sweden, September 2008
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Tim Fitzharris / Little Pigeon River cascading among rocks and colorful Maple leaves, Great Smoky Mountains National Park, Tennessee
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Tim Fitzharris / Tabacon River, cascades and pools in the rainforest, Costa Rica
