Workers look at robots displayed at the Main Distribution Center built to provide logistic support for the upcoming Beijing Winter Olympics and Paralympics in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)

A worker walks by an exhibition of the furniture to be used for the upcoming Beijing Winter Olympics and Paralympics at the Main Distribution Center built to provide logistic support for the games in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)

A woman wearing a face mask to protect against COVID-19 walks past the logo for the Beijing 2022 Winter Olympic Torch Relay during an event at the Beijing University of Posts and Communications in Beijing, Thursday, Dec. 9, 2021. Already roiled by the pandemic and a partial diplomatic boycott, the Beijing Winter Olympics face another challenge in finding airplane seats for all the athletes and officials. (AP Photo/Mark Schiefelbein)

A worker displays the furniture to be used for the upcoming Beijing Winter Olympics and Paralympics at the Main Distribution Center built to provide logistic support for the games in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)

A security camera is seen near the logos for the Beijing Winter Olympics and Paralympics at the Main Distribution Center built to provide logistic support for the games in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)

Athletes wearing face masks to protect against COVID-19 watch the action at the ISU World Cup Short Track speed skating competition, a test event for the 2022 Winter Olympics, at the Capital Indoor Stadium in Beijing, Sunday, Oct. 24, 2021. Already roiled by the pandemic and a partial diplomatic boycott, the Beijing Winter Olympics face another challenge in finding airplane seats for all the athletes and officials. (AP Photo/Mark Schiefelbein)

A journalist puts on a jacket outside the Main Distribution Center built to provide logistic support for the Beijing Winter Olympics and Paralympics in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)

A worker opens the door of a delivery robot at the Main Distribution Center built to provide logistic support for the upcoming Beijing Winter Olympics and Paralympics in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)

Students wearing face masks to protect against COVID-19 take photos of a torch for the Paralympic Torch Relay for the 2022 Winter Olympics during an event at the Beijing University of Posts and Communications in Beijing, Thursday, Dec. 9, 2021. Already roiled by the pandemic and a partial diplomatic boycott, the Beijing Winter Olympics face another challenge in finding airplane seats for all the athletes and officials. (AP Photo/Mark Schiefelbein)

Workers prepare laptops at the Main Distribution Center built to provide logistic support for the upcoming Beijing Winter Olympics and Paralympics in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)

A worker disinfects the storage area at the Main Distribution Center built to provide logistic support for the upcoming Beijing Winter Olympics and Paralympics in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)

Workers load computers onto a delivery truck at the Main Distribution Center built to provide logistic support for the upcoming Beijing Winter Olympics and Paralympics in Beijing, China, Thursday, Dec. 9, 2021. The 34-meter-tall building has started operation at the end of last year to receive, store and distribute furniture, sport and technical equipment, and other materials for the current test events and next year's Winter Games. (AP Photo/Ng Han Guan)