This Oct 22, 2009 file photo shows the Lhalu Wetland National Nature Reserve, known as "the lungs of Lhasa" in the Tibet autonomous region. Tibet plans to allocate 318 million yuan ($46 million) for the protection of its fragile high-altitude wetland ecosystem, Xinhua reported, citing sources from the Tibet Forestry Bureau. [Photo/Xinhua] 

This Aug 16, 2009 file photo shows the wetland near the Yamdrok Lake in Tibet. [Photo/Xinhua]