China's colourful terraced pools

While the sight of these gorgeous pools may make you want to don a swimsuit and plunge in for a refreshing soak, we don't recommend it. The water may be fed by underground geothermal springs, but these are no hot springs—the water's only about 5 degrees Celcius. We'll take it all in from dry land. Thee striking series of terraced, travertine pools cascade downward for nearly 3 kilometres. Formed over thousands of years, calcite deposits give the water its unique, and welcoming, turquoise colours.
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