(LIU XIAOJING)

Pedestrians brave the heat in Shanghai as temperatures reach 36 degrees Celsius on June 17.

Many parts of China experienced the first heat wave of the summer in mid-June, seeing the highest temperature hitting 37 degrees Celsius on June 19.

Southwest China's Chongqing Municipality, under the influence of subtropical high-pressure belts, experienced heat so fierce that a red warning was issued. Red is the hottest color on China's four-color heat wave warning system.