Photo 1：A giant panda cools off in a shower to resist the heat wave at Beijing Zoo in Beijing, capital of China, May 14, 2018. The highest temperature reached above 30 degrees Celsius on Monday in Beijing. (Xinhua/Fan Jiashan)

Photo 2：A giant panda cools off in a shower to resist the heat wave at Beijing Zoo in Beijing, capital of China, May 14, 2018. The highest temperature reached above 30 degrees Celsius on Monday in Beijing. (Xinhua/Fan Jiashan)

Photo 3：A breeder gives a shower to a giant panda to help it cool off in the heat wave at Beijing Zoo in Beijing, capital of China, May 14, 2018. The highest temperature reached above 30 degrees Celsius on Monday in Beijing. (Xinhua/Fan Jiashan)