Hainan suggests all residents, tourists to wear masks outdoor to prevent spread of novel coronavirus

A woman helps a child wear a mask at the Haikou Meilan International Airport in Haikou, south China's Hainan Province, Jan. 25, 2020. Hainan has suggested all residents and tourists to wear masks outdoor to prevent the spread of novel coronavirus. (Photo by Pu Xiaoxu/Xinhua)