Technicians check a CRH high-speed train at Shanghai Hongqiao High-speed train base on December 28, 2011 in Shanghai, China. China's railway stations have started today to sell tickets for the 2012 Spring Festival travel season scheduled to run between January 8th and February 16th, centred around the Chinese New Year which this year falls on January 23rd. (Photo by ChinaFotoPress/Getty Images)

Children play inside China's first official Hello Kitty restaurant in Shanghai, China, April 9, 2016. Mainland China's first official Hello Kitty-themed restaurant has opened its doors to customers in Shanghai, serving a variety of food with the famed kitten character’s designs. Hello Kitty Bistro Bianco comes after the opening of Hong Kong's official Hello Kitty restaurant last year and the Hello Kitty theme park in Zhejiang province. (Photo by Aly Song/Reuters)

Yan Anyu or Miss Cream rides in a taxi in Shanghai on June 13, 2020, as she makes her way to a bar in the city of Shanghai to make her first presentation as a drag queen. Attitudes toward alternative lifestyles are slowly softening in China, and members of a small but growing drag community have begun to step into the spotlight. (Photo by Hector Retamal/AFP Photo)

Dogs wearing masks are seen at a main shopping area, in downtown Shanghai, China, as the country is hit by an outbreak of a new coronavirus, February 16, 2020. (Photo by Aly Song/Reuters)

A little girl wearing a face mask dances in front of a toy panda at a shopping area in Shanghai, following the coronavirus disease (COVID-19) outbreak, China on June 16, 2020. (Photo by Aly Song/Reuters)

A staff member, wearing a face mask following the coronavirus disease (COVID-19) outbreak, looks at a robot at the venue for the World Artificial Intelligence Conference (WAIC) in Shanghai, China on July 9, 2020. (Photo by Aly Song/Reuters)

Cosplayers wearing face masks pose for a picture at the China Digital Entertainment Expo and Conference (ChinaJoy) in Shanghai, following the coronavirus disease (COVID-19) outbreak, China on July 31, 2020. (Photo by Aly Song/Reuters)

A young woman takes pictures of the city with her mobile phone, from the glass-floor observation platform, in the Oriental Pearl Tower, in the financial district of Shanghai, on May 9, 2019. (Photo by Hector Retamal/AFP Photo)