The rapid expansion of towns and factories near the lake has contributed to runoff that has turned once crystal azure waters a murky green and destroyed the livelihood of thousands of fisherman.
Each year, some 750,000 tourists visit the 12,470-foot-high (3,800 meter-high) lake.
More about:
-1780923278.jpg&h=190&w=280&zc=1&q=100)
