Amid efforts to establish itself as an international consumption hub, Chongqing municipality has repurposed its wartime air-raid shelters into vibrant urban attractions. As a temporary capital during World War II, Chongqing built over 1,000 bomb shelters. Today, these abandoned shelters have become key highlights of the city, enhancing public services, revitalizing commerce and boosting consumer activity. Join our reporter Gong Ming in exploring the "Underground City."