A worker packs goods at a logistics center in Beijing, capital of China, March 12, 2020. The logistics center handles some 50,000 orders daily as it resumes operation amid epidemic prevention and control efforts. [Xinhua/Ju Huanzong]

Workers pack goods at a logistics center in Beijing, capital of China, March 12, 2020. The logistics center handles some 50,000 orders daily as it resumes operation amid epidemic prevention and control efforts. [Xinhua/Ju Huanzong]

A worker transports goods at a logistics center in Beijing, capital of China, March 12, 2020. The logistics center handles some 50,000 orders daily as it resumes operation amid epidemic prevention and control efforts. [Xinhua/Ju Huanzong]

A worker registers his information at a logistics center in Beijing, capital of China, March 12, 2020. The logistics center handles some 50,000 orders daily as it resumes operation amid epidemic prevention and control efforts. [Xinhua/Ju Huanzong]

A worker transports goods at a logistics center in Beijing, capital of China, March 12, 2020. The logistics center handles some 50,000 orders daily as it resumes operation amid epidemic prevention and control efforts. [Xinhua/Ju Huanzong]

Staff members overhaul an Airbus A321 at a maintenance base affiliated to China Southern Airline in Haikou, south China's Hainan Province, March 12, 2020. The base has resumed operation in an orderly manner. [Xinhua/Pu Xiaoxu]

Staff members overhaul an Airbus A321 at a maintenance base affiliated to China Southern Airline in Haikou, south China's Hainan Province, March 12, 2020. The base has resumed operation in an orderly manner. [Xinhua/Pu Xiaoxu]

Staff members work at a maintenance base affiliated to China Southern Airline in Haikou, south China's Hainan Province, March 12, 2020. The base has resumed operation in an orderly manner. [Xinhua/Pu Xiaoxu]

A staff member overhauls an Airbus A321 at a maintenance base affiliated to China Southern Airline in Haikou, south China's Hainan Province, March 12, 2020. The base has resumed operation in an orderly manner. [Xinhua/Pu Xiaoxu]

Staff members overhaul an Airbus A321 at a maintenance base affiliated to China Southern Airline in Haikou, south China's Hainan Province, March 12, 2020. The base has resumed operation in an orderly manner. [Xinhua/Pu Xiaoxu]

A staff member overhauls an Airbus A321 at a maintenance base affiliated to China Southern Airline in Haikou, south China's Hainan Province, March 12, 2020. The base has resumed operation in an orderly manner. [Xinhua/Pu Xiaoxu]

Staff members overhaul an Airbus A321 at a maintenance base affiliated to China Southern Airline in Haikou, south China's Hainan Province, March 12, 2020. The base has resumed operation in an orderly manner. [Xinhua/Pu Xiaoxu]

Staff members work at a maintenance base affiliated to China Southern Airline in Haikou, south China's Hainan Province, March 12, 2020. The base has resumed operation in an orderly manner. [Xinhua/Pu Xiaoxu]
(Source: Xinhua)