A pusher vessel sails on the frozen Songhuajiang River to crack the ice block on the river surface, as local boatyard corporation send two sturdy ice-breaker vessels to operate on the river in prevention of ice-jammed flood, in Harbin, northeast China's Heilongjiang Province, April 14, 2010. Harbin was among the worst hit by the biggest snowstorm of the year on Tuesday, with 28 millimeters of precipitation falling from 8 a.m. Monday to 8 a.m Tuesday.[Xinhua] |