Customers have meals at a restaurant in Kunming, southwest China's Yunnan Province, March 15, 2020. Kunming has allowed to restore the eat-in service at restaurants under strict measures taken to fight against the COVID-19. (Xinhua/Ding Yiquan)

A vendor sells snacks at a pedestrian street in Kunming, southwest China's Yunnan Province, March 15, 2020. Kunming has allowed to restore the eat-in service at restaurants under strict measures taken to fight against the COVID-19. (Xinhua/Ding Yiquan)

Customers wait for having meals at a hot pot restaurant in Kunming, southwest China's Yunnan Province, March 15, 2020. Kunming has allowed to restore the eat-in service at restaurants under strict measures taken to fight against the COVID-19. (Xinhua/Ding Yiquan)

Customers shop at a pedestrian street in Kunming, southwest China's Yunnan Province, March 15, 2020. Kunming has allowed to restore the eat-in service at restaurants under strict measures taken to fight against the COVID-19. (Xinhua/Ding Yiquan)