Air raid shelters open to citizens trying to escape the summer heat

People walk out of an air raid shelter in the city of Nanjing in east China's Jiangsu Province on Wednesday, July 10, 2019. Next to the entrance is a notice saying that it's open to citizens for free from 9 a.m. to 5 p.m. Seven air raid shelters around the city have started opening to the public since Wednesday. [Photo: IC]