A child makes a gesture and winks as he poses for photos in front of Tiananmen Gate in Beijing on May 3, 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)





Visitors look at models during “Love at Kwun Tong Miniature' exhibition showcasing the old Kwun Tong at YM2 shopping mall on May 3, 2021 in Hong Kong, China. (Photo by Li Zhihua/China News Service via Getty Images)





A construction worker (C) is seen on a building site in Hong Kong on May 3, 2021. (Photo by Peter Parks/AFP Photo)





People watch a Long March 5B rocket, carrying China's Tianhe space station core module, as it lifts off from the Wenchang Space Launch Center in southern China's Hainan province on April 29, 2021. (Photo by AFP Photo/China Stringer Network)





A woman holds up the Chinese national flag as people gather to watch the the launch of the Long March 5B rocket carrying China's Tianhe space station core module from the Wenchang Spacecraft Launch Site in Hainan Province, China, 29 April 2021. China launched into space the core module of its space station, marking the beginning of a series of launch missions to complete the space station by the end of next year. (Photo by Matjaz Tancic/EPA/EFE)





Fans attend a performance of a rock band at the Strawberry Music Festival during Labour Day holiday in Wuhan, Hubei Province, China on May 1, 2021. (Photo by Tingshu Wang/Reuters)





Visitors wearing face masks wait in line to enter a public park in Beijing, Saturday, May 1, 2021. Chinese tourists are expected to make a total of 18.3 million railway passenger trips on the first day of the country's five-day holiday for international labor day, according to an estimate by the state railway group, as tourists rush to travel domestically after the coronavirus has been brought under control in China. (Photo by Mark Schiefelbein/AP Photo)





A Baidu Apollo Robotaxi move past a steel plant at the Shougang Park in Beijing, Sunday, May 2, 2021. Chinese tech giant Baidu rolled out its paid driverless taxi service on Sunday, making it the first company that commercialized autonomous driving operations in China. (Photo by Andy Wong/AP Photo)





A 18.03-meter-high Freedom Gundam statue is on display at the Mitsui Shopping Park LaLaport on April 26, 2021 in Shanghai, China. The head of the life-size Freedom Gundam statue was installed successfully in Shanghai on Monday. (Photo by VCG/VCG via Getty Images)





Students compete in a calligraphy contest in a primary school in Anlong county in southwest China's Guizhou province Friday, April 23, 2021. (Photo credit should read Feature China/Barcroft Media via Getty Images)





Workers lay asphalt at the construction site of Yuli-Qiemo Highway, the third north-south route running through Taklimakan Desert, on April 27, 2021 in Bayingolin Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region of China. (Photo by VCG/VCG via Getty Images)





This photo taken on April 26, 2021 shows workers checking stuffed toys at a factory in Lianyungang, in China's eastern Jiangsu province. (Photo by AFP Photo/China Stringer Network)





Young passengers on a train in Sichuan province, southwest China on April 27, 2021. (Photo by Xinhua News Agency/Alamy Live News)





Travellers wait to board the trains on the Railway station in Shanghai, China, 30 April 2021. Labor Day is an annual worldwide celebration of workers and their achievements. May Day holidays in China will have 265 million passenger trips during 2021, said the Ministry of Transport on Thursday. (Photo by Alex Plavevski/EPA/EFE)





Workers work on a sewage collection and treatment tank in Suqian, east China's Jiangsu Province, April 29, 2021. (Photo credit should read Costfoto/Barcroft Media via Getty Images)





People visit the Great Wall during the labour day holiday in Beijing on May 1, 2021. (Photo by Noel Celis/AFP Photo)





People visit the Great Wall during the labour day holiday in Beijing on May 1, 2021. (Photo by Noel Celis/AFP Photo)





People visit the Great Wall during the labour day holiday in Beijing on May 1, 2021. (Photo by Noel Celis/AFP Photo)





People visit the Bund during a labour day holiday in Shanghai on May 1, 2021. (Photo by Hector Retamal/AFP Photo)





People walk along a pedestrian street during a labour day holiday in Shanghai on May 1, 2021. (Photo by Hector Retamal/AFP Photo)





110 divers perform under water as they set a new Guinness World Record for the “largest underwater mermaid show” at Atlantis resort on April 28, 2021 in Sanya, Hainan Province of China. (Photo by Wu Wei/VCG via Getty Images)