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Timpanogos Cave National Monument NPS Archive
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This wallpaper shows Timpanogos Cave National Monument in Utah. Timpanogos Cave is known for its high concentration of helictites — a spiraling cave formation that seems to defy gravity. Helictites are formed when calcite crystals and dissolved impurities are forced out of a tiny central canal in the helictite by hydrostatic pressure.
Credit: National Park Service
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