The Fresh Water Crisis in China's Karst Regions
In the southwest corner of China, a land of towering mountains and
deep gorges not far from the border of Vietnam, is Shi Dong, the Rock
Cave. It is here, 800 miles west of the Pacific Ocean, in an area so
remote that people often settle in villages with no more than a few
dozen homes, where the Yang Liu River disappears underground.
For more than 20 miles, the river flows beneath the surface of the
earth, coursing through dark caverns and crevices, unseen and unknown to
those who live above, its precise path a mystery. It emerges again
through the mouth of a second cave, Nan Dong, the South Cave.
Read the full article at Circle of Blue