Birds fly over the Yamdrok Tso, one of the three largest sacred lakes in Tibet, August 16, 2009. [Xinhua]
![Birds fly over the Yamdrok Tso, one of the three largest sacred lakes in Tibet, August 16, 2009. [Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090918/000d87ad3cdd0c1d5fca13.jpg "Birds fly over the Yamdrok Tso, one of the three largest sacred lakes in Tibet, August 16, 2009. [Xinhua]")
