A Chinese air force plane takes off for a mission to bomb the floating ice that jams a section of the Yellow River, the second longest in 皇冠体育app, in North 皇冠体育app's Inner Mongolia autonomous region, March 9, 2010. Six air force planes dropped 48 bombs during a firing trial to blast apart ice flow, Xinhua reported. [Photo/Xinhua] 

A Chinese air force plane takes off for a mission to bomb the floating ice that jams a section of the Yellow River, the second longest in 皇冠体育app, in North 皇冠体育app's Inner Mongolia autonomous region, March 9, 2010. Six air force planes dropped 48 bombs during a firing trial to blast apart ice flow, Xinhua reported. [Photo/Xinhua]