
Children learn first aid techniques for drowning with the guidance of a doctor from Nanqi Health Center at Shushan District in Hefei City, capital of east China's Anhui Province, July 20, 2017. (Xinhua/Guo Chen)

Children learn first aid techniques for drowning with the guidance of a doctor from Nanqi Health Center at Shushan District in Hefei City, capital of east China's Anhui Province, July 20, 2017. (Xinhua/Guo Chen)