"Water cannon" used to fight summer heat in Chongqing

A new-type spraying car is seen at Jiulongpo district of southwest China's Chongqing municipality on July 30, 2014. The "water cannon" can hold up to five tons of water and work for five hours continuously. Spraying water at distance over 100 meters, the giant sprayer is used to fight dirt and summer heat. (CNS/Zhouyi)