Athletes and other attendees at the Beijing 2022 Winter Olympics have been housed in a “closed loop” area set up to contain possible coronavirus outbreaks. Here’s a look at life inside the closed loop, and some of the coronavirus prevention protocols that greeted travelers arriving for the games.

Staff members wearing personal protective equipment wait for passengers arriving at Beijing Capital International Airport ahead of the Winter Olympics in Beijing, China, January 31, 2022.

Wolfgang Rattay/Reuters