Soldiers prepare to destroy floating objects obstructing the water drained from the Tangjiashan "quake lake" in Mianyang, Sichuan Province June 10, 2008. Floodwaters crashed out of a dangerously unstable "quake lake" in southwest China on Tuesday after soldiers blasted open a sluice, significantly easing the threat of disaster for hundreds of thousands of people downstream. REUTERS/Stringer (CHINA)