Relatives of a missing person scuffle with police officers on the bank of the Yangtze River, near Jingjiang, Jiangsu province January 17, 2015. A search and rescue operation was still underway after the boat capsized on January 15, leaving 22 people missing, including foreigners. (Photo by Aly Song/Reuters)

Miss India Manushi Chhilar (C) reacts as she wins the 67 th Miss World contest final next to France Aurore Andrée Raphaëlle Kichenin (R) and Miss Kenya Magline Jeruto (L) in Sanya, on the tropical Chinese island of Hainan on November 18, 2017. (Photo by Nicolas Asfouri/AFP Photo)

A police officer wearing a protective mask walks past the portrait of late communist leader Mao Zedong (not pictured) at Tiananmen Gate in Beijing on January 23, 2020. Large-scale Lunar New Year events in Beijing have been cancelled as part of national efforts to control the spread of a new SARS-like virus, city authorities announced on January 23. (Photo by Nicolas Asfouri/AFP Photo)

Light sculptures glow in the dark at the zoo in Cologne, Germany, 04 December 2019. The artworks are on display at the zoo as part of the China Light Festival that runs until 09 January 2020 and features more than 70 light installations on the zoo grounds. (Photo by Sascha Steinbach/EPA/EFE)

In this photo taken Wednesday, March 8, 2017, a hospitality staff member pose for photos near the shadow of a tall light pole near the Great Hall of the People where a plenary session of the National People's Congress is held in Beijing, China. (Photo by Ng Han Guan/AP Photo)

A vendor smokes behind a display of dog meat at a dog meat market on the day of a local dog meat festival in Yulin, Guangxi Autonomous Region, June 22, 2015. (Photo by Kim Kyung-Hoon/Reuters)

Paramilitary policemen take part in a summer training in Shenzhen, Guangdong province, China, June 27, 2016. (Photo by Reuters/China Daily)

A performer plays the role of the Emperor during a re-enactment of an ancient ceremony of Qing Dynasty Emperors praying at Ritan Park which holds the ceremony of 'fete day'' to mark the first day of spring on March 21st, 2011 in Beijing, China. March 21st is the Day of Vernal Equinox according to the Chinese lunar calender. (Photo by Lintao Zhang/Getty Images)