Migratory birds fly above the Lhasa River wetland in southwest China's Tibet Autonomous Region, Nov. 26, 2008. Tens of thousands of migratory birds have flied to the Lhasa River wetland recently to spend their winter days.(Xinhua Photo)
Migratory birds fly above the Lhasa River wetland in southwest China's Tibet Autonomous Region, Nov. 26, 2008. Tens of thousands of migratory birds have flied to the Lhasa River wetland recently to spend their winter days.(Xinhua Photo)
Migratory birds rest on the Lhasa River in southwest China's Tibet Autonomous Region, Nov. 26, 2008. Tens of thousands of migratory birds have flied to the Lhasa River wetland recently to spend their winter days.(Xinhua Photo)
Migratory birds play with each other above the Lhasa River in southwest China's Tibet Autonomous Region, Nov. 25, 2008. Tens of thousands of migratory birds have flied to the Lhasa River wetland recently to spend their winter days.(Xinhua Photo)
