Engineers install a drilling machine at the Tangjiashan quake-formed lake in southwest China's Sichuan Province, May 9, 2008. The drainage plus natural leakage of the lake was about 48 cubic meters per second, a hydro expert said on Monday morning. The Chengdu Military Command of the People's Liberation Army sent an additional 120-strong team to blast boulders in the channel to accelerate drainage.(Xinhua photo)

Water level in man-made spillway is increasing on Monday, June 9, 2008. The spillway is widened to about 10 meters from less than five meters after the first round of work completed on Sunday.(Xinhua photo)