The strange and weirdly beautiful terraced pools of Pamukkale (Pummakale) have been appreciated for over two millennia and yet still remain a little known wonder of the world. Thousands of years ago earthquakes, which are common in Turkey, created fractures that allowed powerful hot springs to bring water rich in calcium carbonate to the surface. As the water evaporated the chalky material condensed and formed layer-upon-layer of Travertine and thus slowly built up the walls over time in the same way that a stalactite forms in a cave. Apparently Pamukkale means Castle of Cotton but the Greco-Romans built a town above it called Heirapolis – meaning “Holy City” or “Sacred City”. They too recognised it as a rare and important place attributing healing powers to the milky-white waters.The travertine features have their origins in the shifting of a fault in the valley of the Menderes river (between here and Denizli). As the fault shifted, very hot springs with a very high mineral content (notably chalk) arose at this location.
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