A woman wearing a face mask to protect against the spread of the coronavirus walks along a street during the morning rush hour in Beijing, Wednesday, December 30, 2020. Beijing has urged residents not to leave the city during the Lunar New Year holiday in February, implementing new restrictions and mass testings after several coronavirus infections last week. (Photo by Mark Schiefelbein/AP Photo)





Residents wearing masks to protect from the coronavirus walks past decorations depicting polar bears in Beijing Tuesday, December 29, 2020. As temperatures plunge to near record lows, the Chinese capital is strengthening measures as new cases of coronavirus are reported. (Photo by Ng Han Guan/AP Photo)





A man wearing a face mask to help curb the spread of the coronavirus holds incense offers prayers on the first day of the New Year at Yonghegong Lama Temple in Beijing, Friday, January 1, 2021. President Xi Jinping said in a New Year address that China has made major progress in developing its economy and eradicating rural poverty over the past year despite the coronavirus pandemic. (Photo by Andy Wong/AP Photo)





Patrons wearing masks to protect from the coronavirus visit a bar street on New Year Eve in Beijing on Thursday, December 31, 2020. (Photo by Ng Han Guan/AP Photo)





An aerial view of the whole city covered by heavy fog in Lianyungang city, east China's Jiangsu province, 28 December 2020. (Photo by Rex Features/Shutterstock)





A view from inside a cave at the Foshan world heritage site in Nanchuan, China on December 30, 2020. As a national 5A-level scenic spot, a national nature reserve, a national forest park, and a national base for science popularization and education, Jfoshan is a World Heritage site. Its beautiful natural scenery often makes people linger on and forget to return. Jfoshan is surrounded by the “sea” to reveal the top of the mountain. The constantly changing sea of clouds is like the waves of the sea, which attracts many tourists to see the “sea”. (Photo by Sipa Asia/Rex Features/Shutterstock)





A resident wearing a mask to protect from the coronavirus waits at a bus stop near rainbow decorations on the streets of Beijing on Sunday, December 27, 2020. Beijing has urged residents not to leave the city during the Lunar New Year holiday in February, implementing new restrictions and mass testings after several coronavirus infections last week. (Photo by Ng Han Guan/AP Photo)





Incredible frozen waterfalls in Shenquanxia scenic area in Mentougou District of Beijing, China, 26 December 2020. (Photo by Rex Features/Shutterstock)





People gather to celebrate the arrival of the new year during the coronavirus disease (COVID-19) outbreak in Wuhan, China on December 31, 2020. (Photo by Tingshu Wang/Reuters)





Chinese workers wait for customers at the entrance to a restaurant in Beijing on Sunday, December 27, 2020. China urges migrant workers not to travel home during February's Lunar New Year holiday to prevent further virus spread. (Photo by Ng Han Guan/AP Photo)





People hold balloons as they gather to celebrate the arrival of the new year in Wuhan, China on December 31, 2020. (Photo by Tingshu Wang/Reuters)





A woman wearing protective face mask prays at a Buddhist temple on New Year’s Day, in Wuhan, Hubei province, China January 1, 2021. (Photo by Tingshu Wang/Reuters)





Visitors to a mall pose for photos on New Year Eve in Beijing on Thursday, December 31, 2020. This New Year's Eve is being celebrated like no other, with pandemic restrictions limiting crowds and many people bidding farewell to a year they'd prefer to forget. (Photo by Ng Han Guan/AP Photo)





A Chinese worker dressed in a Santa Claus suit as part of Christmas events wears a protective mask to prevent COVID-19 as he and others crowd in an elevator at a shopping mall on December 24, 2020 in Beijing, China. The revival of consumer consumption is expected to continue to boost Chinas economy, which is already showing strong signs of post-pandemic recovery and providing a bright spot for global brands and retailers. (Photo by Kevin Frayer/Getty Images)





Visitors seen at a mall for a monster-themed festival in Beijing, China, on December 26, 2020. (Photo by Ng Han Guan/AP Photo)





Residents line up for coronavirus tests at tents set up on the streets of Beijing on Sunday, December 27, 2020. Beijing has urged residents not to leave the city during the Lunar New Year holiday in February, implementing new restrictions and mass testings after several coronavirus infections last week. (Photo by Ng Han Guan/AP Photo)





A woman attends a concert at a live house in Wuhan, China, 30 December 2020. Life in Wuhan, a Chinese city of more than 11 million, which nearly a year ago became the epicenter of the coronavirus outbreak is returning to normal. Since May the capital of Hubei province has not recorded locally-transmitted cases of Covid-19. Nearly half a million of Wuhan's residents may have been infected with coronavirus, which is almost 10 times its official number of around 50,000 Covid-19 cases in the city, according to a study by the Chinese Center for Disease Control and Prevention. (Photo by Roman Pilipey/EPA/EFE)





People pose for pictures on the banks of Yangtze River on New Year's Eve in Wuhan, in China’s central Hubei province on December 31, 2020. (Photo by Noel Celis/AFP Photo)





People walk on the banks of Yangtze River on New Year's Eve in Wuhan, in China’s central Hubei province on December 31, 2020. (Photo by Noel Celis/AFP Photo)





Folk artists perform dragon dance in the splash of molten iron at Tai'erzhuang Ancient Town during New Year's Eve celebrations on December 31, 2020 in Zaozhuang, Shandong Province of China. (Photo by Gao Qimin/VCG via Getty Images)





People attend New Year bell-ringing ceremony in front of Hankow Customs House during New Year's Eve celebrations on December 31, 2020 in Wuhan, Hubei Province of China. (Photo by VCG/VCG via Getty Images)