ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY
Limestone pavement. The joints have been enlarged by chemical weathering to form a pattern of clints (ridges) and grykes (clefts). Limestone pavements are typical of karst scenery, a type of limestone topography produced by percolating ground waters and underground streams, named after the Karst region in Slovenia. Photographed in the Austrian Alps.
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