Inbound passengers board a transfer vehicle at the New China International Exhibition Center in Beijing, capital of China, March 17, 2020. Beijing has converted the New China International Exhibition Center into a transit center for inbound passengers from countries with high risks of COVID-19. The center, divided into different zones according to the destinations of passengers, is used for people showing no fever, cough and other symptoms in the health quarantine at the airport. Inbound passengers need to undergo temperature screening and fill in a health declaration before leaving the airport customs, and a second temperature detection is required before they enter the transit center. (Xinhua/Peng Ziyang)