The aerial photo taken on May 26, 2008 shows Chinese armed policemen work on the landslide mud that formed the Tangjiashan quake lake near Beichuan County in southwest China's Sichuan Province. The earthquake-induced lake is at risk of bursting and threatening thousands of people downstream.

The aerial photo taken on May 26, 2008 shows the landslide mud that formed the Tangjiashan quake lake near Beichuan County in southwest China's Sichuan Province. The earthquake-induced lake is at risk of bursting and threatening thousands of people downstream.