Two cargo trains in China each carrying 4,000 tons of ballast parked on two separate sections of a railway bridge to prevent the overpass from being washed away in flash floods.<br /><br />Video filmed in Mianyang City in southern Sichuan Province on July 11 shows the flooded river running under the Baocheng Railway Fujiang Bridge. A train loading 4,000 tons of ballast - the stones beneath the track - goes onto the bridge, in order to increase its weight. <br /><br />According to reports, two trains stopped on the bridge for six hours until the floods gradually receded. Four train drivers were involved in the mission.<br /><br />The drastic measures were sanctioned by China Railway Chengdu Group as the area suffered its worst floods in 50 years.
