Quake lake water passes by Mianyang

The drainage water of Tangjiashan quake-formed lake passes Mianyang City, southwest China's Sichuan Province, June 10, 2008. The crest of the flood from Tangjiashan quake-formed lake passed safely by downstream Mianyang City on Tuesday afternoon. (Xinhua Photo)

The torrents sluiced from the Tangjiashan quake lake, formed after quake-triggered landslides from the Tangjiashan Mountain blocked the Tongkou River, flow through the Peijiang River Bridge No.3 safe and sound, in Mianyang City, southwest China's Sichuan Province, June 10, 2008. The water level of the muds-, boulders- and large debris-blocked lake is lowered to safety-entailed 720 meters above sea level at the bottom of its drainage spillway. (Xinhua Photo)

Crowds of citizens watch the the torrents sluiced from the Tangjiashan quake lake, formed after quake-triggered landslides from the Tangjiashan Mountain blocked the Tongkou River, flowing through the Peijiang River Bridge No.3 safe and sound, in Mianyang City, southwest China's Sichuan Province, June 10, 2008. (Xinhua Photo)