People cool themselves off in the Jialingjiang River at Ciqikou Town in Chongqing, southwest China`s municipality, June 16, 2013. Local meteorological authorities issued an orange-coded alert of heat on Sunday, which indicates the temperature will rise up to 37 degrees Celsius Sunday afternoon. (Xinhua/Liu Chan)

　　Photo taken on June 16, 2013 shows desolate tea stands by the Jialingjiang River during a heat wave at Ciqikou Town in Chongqing, southwest China`s municipality. Local meteorological authorities issued an orange-coded alert of heat on Sunday, which indicates the temperature will rise up to 37 degrees Celsius Sunday afternoon. (Xinhua/Liu Chan)

　　Young women cool themselves off in the Jialingjiang River at Ciqikou Town in Chongqing, southwest China`s municipality, June 16, 2013. Local meteorological authorities issued an orange-coded alert of heat on Sunday, which indicates the temperature will rise up to 37 degrees Celsius Sunday afternoon. (Xinhua/Liu Chan)