Residents wearing masks to protect from the coronavirus walks near decorative lights on a tree in Beijing, China, Thursday, January 20, 2022. The sweeping “zero-tolerance” policies that China has employed to protect its people and economy from COVID-19 may, paradoxically, make it harder for the country to exit the pandemic. (Photo by Ng Han Guan/AP Photo)





Children wearing Chinese Lunar New Year-themed masks pose for photos next to sculptures depicting tigers ahead of the Year of the Tiger according to the Chinese Zodiac in Beijing, China, Saturday, January 22, 2022. (Photo by Ng Han Guan/AP Photo)





Workers from the restaurant industry line up for their covid tests in Beijing, China, Saturday, January 22, 2022. Chinese authorities have called on the public to stay where they are during the Lunar New Year instead of traveling to their hometowns for the year's most important family holiday. (Photo by Ng Han Guan/AP Photo)





A resident wearing a mask to protect from the coronavirus walks past Chinese Lunar New Year decorations in Beijing, China, Saturday, January 22, 2022. (Photo by Ng Han Guan/AP Photo)





A man wearing a face mask to help protect against COVID-19 prepares to eat noodles on the street of Wuhan in central China's Hubei Province, Sunday, Jan. 23, 2022. Sunday will mark two years since the city of Wuhan was placed under a 76-day lockdown as China tried to contain the first major outbreak of the coronavirus pandemic. (Photo by AP Photo/Stringer)





Volunteers wearing face masks to help protect from the coronavirus chat each others at an information booth for Beijing Winter Olympics Games at Qianmen Street, a popular tourist spot in Beijing, Sunday, January 23, 2022. Chinese authorities have called on the public to stay where they are during the Lunar New Year instead of traveling to their hometowns for the year's most important family holiday. (Photo by Andy Wong/AP Photo)





Visitors wearing face masks to help protect from the coronavirus gather to take souvenir photo with a decoration for the Lunar New Year at Qianmen Street, a popular tourist spot in Beijing, Sunday, January 23, 2022. (Photo by Andy Wong/AP Photo)





Family members wearing face masks to help protect from the coronavirus tour Qianmen Street, a popular tourist spot in Beijing, Sunday, January 23, 2022. (Photo by Andy Wong/AP Photo)





Security personnel wearing face masks to help protect from the coronavirus stand on duty next to a statue on a shopping street in Beijing, Sunday, January 23, 2022. (Photo by Andy Wong/AP Photo)





A child puts on her face mask to help protect from the coronavirus next to a lion dancer decoration at a mall in Beijing, Sunday, January 23, 2022. (Photo by Andy Wong/AP Photo)





Pedestrians wearing face masks to help protect from the coronavirus wait to cross an intersection in the Central Business District of Beijing, Monday, January 24, 2022. A fresh outbreak in Beijing has prompted authorities to test millions and impose new measures two weeks ahead of the opening of the Winter Olympics, even as Chinese officials on Monday lifted a monthlong lockdown on the northern city of Xi'an and its 13 million residents. (Photo by Andy Wong/AP Photo)





A resident looks at her phone near skyscrapers at the central business district in Beijing, China, Wednesday, January 26, 2022. Richer, more heavily armed and openly confrontational, China has undergone history-making change since the last time it was an Olympic host in 2008. (Photo by Ng Han Guan/AP Photo)





A staff member dressed up as Beijing 2022 Winter Olympics mascot Bing Dwen Dwen attempts to enter a door at the Main Media Center on January 24, 2022 in Beijing, China. The Beijing 2022 Winter Olympics are set to open February 4th. (Photo by Lintao Zhang/Getty Images)





A winter swimming enthusiast dives into a partly frozen lake in a partly frozen lake in Shenyang, in northeastern China's Liaoning province on January 25, 2022. (Photo by AFP Photo/China Stringer Network)





A foreigner dressed in costume as Aladdin, the fictional character from a Middle Eastern folk tale, wears a face mask to help protect from the coronavirus as he rides on a carpet-shaped skateboard in Beijing, Tuesday, January 25, 2022. (Photo by Andy Wong/AP Photo)





Newborn twin white tiger siblings Meilang and Meimei make debut at the Chimelong Safari Park on January 25, 2022 in Guangzhou, Guangdong Province of China. A pair of twin white tigers, which were born at the park on Dec. 6, 2021, made their debut here on Tuesday. (Photo by Xu Jianmei/VCG via Getty Images)





A woman using a plastic bag as a cover walks outside the Beijing railway station in Beijing on January 26, 2022, ahead of the biggest holiday of the year, the Lunar New Year, which ushers in the Year of the Tiger. (Photo by Noel Celis/AFP Photo)





On January 26, 2022, there was another heavy snow in Pingliang City, Gansu Province. Overnight, the earth was covered with white snow. In Pingliang Liuhu Park, when you look at it, you can see that it is as beautiful as a picture scroll, wrapped in silver and made up of powder and jade. (Photo by Sipa Asia/Rex Features/Shutterstock)





This aerial photo taken on January 25, 2022 shows a view of the Kongtong Mountain after a snowfall in Pingliang, in China's northwestern Gansu province. (Photo by AFP Photo/China Stringer Network)