Photo taken on March 17, 2020 shows the poverty alleviation workshop under construction at a demonstration park in Shangri-la of Diqing Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The poverty alleviation workshop is projected to be completed by the first half of 2020. Since the outbreak of COVID-19, local authorities in the poverty-stricken Diqing has taken great measures to ensure the safety of workers returning to work, including scanning OR codes for better health checks and disinfection at public areas. Up till now, Diqing has resumed production at a comprehensive level. (Xinhua/Hu Chao)

A staff member checks the temperature of a man at the airport in Shangri-la of Diqing Tibetan Autonomous Prefecture, southwest China's Yunnan Province, March 17, 2020. Since the outbreak of COVID-19, local authorities in the poverty-stricken Diqing has taken great measures to ensure the safety of workers returning to work, including scanning OR codes for better health checks and disinfection at public areas. Up till now, Diqing has resumed production at a comprehensive level. (Xinhua/Hu Chao)

Workers trim cherry trees at a poverty alleviation demonstration park in Shangri-la of Diqing Tibetan Autonomous Prefecture, southwest China's Yunnan Province, March 17, 2020. Since the outbreak of COVID-19, local authorities in the poverty-stricken Diqing has taken great measures to ensure the safety of workers returning to work, including scanning OR codes for better health checks and disinfection at public areas. Up till now, Diqing has resumed production at a comprehensive level. (Xinhua/Hu Chao)

A visitor has his temperature checked at a hotel in Shangri-la of Diqing Tibetan Autonomous Prefecture, southwest China's Yunnan Province, March 17, 2020. Since the outbreak of COVID-19, local authorities in the poverty-stricken Diqing has taken great measures to ensure the safety of workers returning to work, including scanning OR codes for better health checks and disinfection at public areas. Up till now, Diqing has resumed production at a comprehensive level. (Xinhua/Hu Chao)

A passenger fills in the health declaration form at the airport in Shangri-la of Diqing Tibetan Autonomous Prefecture, southwest China's Yunnan Province, March 17, 2020. Since the outbreak of COVID-19, local authorities in the poverty-stricken Diqing has taken great measures to ensure the safety of workers returning to work, including scanning OR codes for better health checks and disinfection at public areas. Up till now, Diqing has resumed production at a comprehensive level. (Xinhua/Hu Chao)

Villager Li Yinzhen displays online health information of his poultry at the Shangri-la e-commerce service center in Shangri-la of Diqing Tibetan Autonomous Prefecture, southwest China's Yunnan Province, March 17, 2020. Since the outbreak of COVID-19, local authorities in the poverty-stricken Diqing has taken great measures to ensure the safety of workers returning to work, including scanning OR codes for better health checks and disinfection at public areas. Up till now, Diqing has resumed production at a comprehensive level. (Xinhua/Hu Chao)

Staff members conduct disinfection at the airport in Shangri-la of Diqing Tibetan Autonomous Prefecture, southwest China's Yunnan Province, March 17, 2020. Since the outbreak of COVID-19, local authorities in the poverty-stricken Diqing has taken great measures to ensure the safety of workers returning to work, including scanning OR codes for better health checks and disinfection at public areas. Up till now, Diqing has resumed production at a comprehensive level. (Xinhua/Hu Chao)

A worker works at the workshop of a dairy company in Shangri-la of Diqing Tibetan Autonomous Prefecture, southwest China's Yunnan Province, March 16, 2020. Since the outbreak of COVID-19, local authorities in the poverty-stricken Diqing has taken great measures to ensure the safety of workers returning to work, including scanning OR codes for better health checks and disinfection at public areas. Up till now, Diqing has resumed production at a comprehensive level. (Xinhua/Hu Chao)