Nursing students make vows during a capping ceremony on International Nurses Day on May 12, 2021 in Taiyuan, Shanxi Province of China. International Nurses Day is observed annually on May 12. (Photo by Hu Yuanjia/VCG via Getty Images)





A panda mascot tries to ride a bicycle with the aid of a chef in Beijing on Wednesday, May 5, 2021. (Photo by Ng Han Guan/AP Photo)





A woman wearing a mask talks on her phone near an exhibition depicting a rover in Mars in Beijing on Friday, May 14, 2021. China says its Mars probe and accompanying rover are to land on the red planet sometime between early Saturday morning and Wednesday Beijing time. (Photo by Ng Han Guan/AP Photo)





A villager sorts freshly picked roses in Hai 'an, East China's Jiangsu province, May 6, 2021. (Photo by Costfoto/Barcroft Media via Getty Images)





A woman gestures to a correctional services department van, after activist Joshua Wong was sentenced for participating in an unauthorised assembly on June 4, 2020, outside the court in Hong Kong, China on May 6, 2021. (Photo by Lam Yik/Reuters)





Workers clean the windows of a building in Beijing on May 12, 2021. (Photo by Noel Celis/AFP Photo)





Workers take part in a search for a runaway leopard in Hangzhou in eastern China's Zhejiang province Sunday, May 9, 2021. A search for the last of three leopards that escaped from a safari park in eastern China was ongoing, authorities said Monday, May 10, 2021 as the park came under fire for concealing the breakout for nearly a week. (Photo by Chinatopix via AP Photo)





A worker in a powered parachute searches for a runaway leopard in Hangzhou in eastern China's Zhejiang province Sunday, May 9, 2021. (Photo by Chinatopix via AP Photo)





Women hold their babies as they talk at a local park on May 12, 2021 in Beijing, China. According to data released by the government from a national census, China's population grew 0.53 percent over the last 10 years down from 0.57 percent a decade ago bringing the population to 1.41 billion. (Photo by Kevin Frayer/Getty Images)





Nursing students attend a capping ceremony on May 10, 2021 in Jinan, Shandong Province of China. International Nurses Day is observed annually on May 12. (Photo by Zhang Yong/China News Service via Getty Images)





A man browses his smartphone while stretching his leg near a bookstand in Beijing, Thursday, May 6, 2021. (Photo by Andy Wong/AP Photo)





A beam of sunlight is cast on people wearing face masks to help curb the spread of the coronavirus walk through the Galaxy Soho commercial office building in Beijing, Monday, May 10, 2021. (Photo by Andy Wong/AP Photo)





Residents dressed in traditional costumes visit the Forbidden City in Beijing on May 6, 2021.
China’s population growth is falling closer to zero as fewer couples have children, the government announced Tuesday, May 11, 2021, adding to strains on an aging society with a shrinking workforce. (Photo by Ng Han Guan/AP Photo)





In this photo released by Xinhua News Agency, members at the Beijing Aerospace Control Center celebrate after China's Tianwen-1 probe successfully landed on Mars, at the center in Beijing, Saturday, May 15, 2021. China landed a spacecraft on Mars for the first time on Saturday, a technically challenging feat more difficult than a moon landing, in the latest advance for its ambitious goals in space. (Photo by Jin Liwang/Xinhua via AP Photo)





A man takes photos of Victoria Harbour from a panoramic terrace in Hong Kong, China, 10 May 2021. Hong Kong resumed local tours ​under a new “vaccine bubble” after six-month hiatus. (Photo by Jerome Favre/EPA/EFE)





Teenagers in traditional costumes attend a coming-of-age ceremony at a Confucian temple on National Youth Day on May 4, 2021 in Deyang, Sichuan Province of China. (Photo by Zhang Zhiyong/VCG via Getty Images)





In this aerial photo released by Xinhua News Agency, the Mount Qomolangma, also known as Mount Everest, base camp is seen on May 25, 2020. China will draw a “separation line” atop Mount Everest to prevent the coronavirus from being spread by climbers ascending from Nepal's side of the mountain, Chinese state media reported Monday, May 10, 2010. (Photo by Purbu Zhaxi/Xinhua via AP Photo)





Villagers take care of potted flowers at a flower seedling base in Hai 'an, east China's Jiangsu Province, May 14, 2021. (Photo by Costfoto/Barcroft Media via Getty Images)





A barefooted man walks through burning charcoal as he performs the traditional ritual called “Lianhuo”, or “fire walking”, on the second day of the May Day holiday on May 2, 2021 in Pan an County, Zhejiang Province of China. (Photo by Kong Debin/VCG via Getty Images)





A gray Heron flies in a forest in Shijiazhuang, Hebei Province, China, May 4, 2021. (Photo by Costfoto/Barcroft Media via Getty Images)