Li Yuming, a local farmer who is interested in scientific invention, works on his unfinished miniature submarine “Xiaguang V” on the outskirts of Wuhan, capital of central China's Hubei province August 24, 2007. “Xiaguang V”, which is 3-metre long, 1.2-metre in height, has a maximum diving depth of 20 metres, and can hold two adults and one child at the same time. The submarine will be used for tour after safety test, local media said. (Photo by Reuters/Stringer)

Hao Han (8), Shaolin kung fu student and child actor. Shaolin Monastery, Henan. (Photo by Mathias Braschler and Monika Fischer)

A flight attendant wearing a Brazil soccer team jersey demonstrates the emergency mask on an airplane travelling from Kunming to Hangzhou June 23, 2014. A Chinese airline company renovated the cabin of one of its flights then dressed the flight attendants with soccer jerseys as a way to celebrate the 2014 Brazil World Cup and hoping to attract more customers, local media reported. (Photo by Wong Campion/Reuters)

People enjoy the color run in Guangzhou, Guangdong province of China on May 29, 2022. (Photo by Stringer/Anadolu Agency via Getty Images)

A woman wearing a Red Army uniform dances at the Bund at midnight on June 1, 2022 in Shanghai, China. Shanghai will fully restore the normal order of production and living starting from Wednesday. (Photo by Zheng Xianzhang/VCG via Getty Images)

A woman wearing masks, stretches her arms in Hong Kong, Wednesday, February 19, 2020. Russia says it will temporarily ban Chinese nationals from entering the country amid the outbreak of the new virus centered in China that has infected more than 73,000 people. (Photo by Kin Cheung/AP Photo)

Shanghai Ballet dancers wearing masks practise in a dance studio in Shanghai, China, as the country is hit by an outbreak of the novel coronavirus, February 20, 2020. (Photo by Aly Song/Reuters)

A resident pulls back a rope with groceries tied to the end of it, delivered by community workers, at a residential compound under sealed management in Yichang, Hubei province, China on February 22, 2020. (Photo by Reuters/China Daily)