A customer purchases beverage in Jiangbei district of Chongqing, Southwest China, March 23, 2020. Under strict measures taken to fight against the COVID-19, Chongqing has reopened bars, restaurants and snack vendors to citizens to boost its "night-time economy" in an orderly manner. [Photo by Wang Quanchao/Xinhua]

A staff member serves food at a hot pot restaurant in Jiangbei district of Chongqing, Southwest China, March 23, 2020. Under strict measures taken to fight against the COVID-19, Chongqing has reopened bars, restaurants and snack vendors to citizens to boost its "night-time economy" in an orderly manner. [Photo by Wang Quanchao/Xinhua]

A singer performs in Jiangbei district of Chongqing, Southwest China, March 23, 2020. Under strict measures taken to fight against the COVID-19, Chongqing has reopened bars, restaurants and snack vendors to citizens to boost its "night-time economy" in an orderly manner. [Photo by Wang Quanchao/Xinhua]