A villa privately built on the rooftop of a residential building in downtown Beijing has prompted complaints from neighbours living below. Professor Zhang, the villa owner, has been instructed to tear down the illegal building, according to the property managers. (Photo by Mark Ralston/AFP Photo)

Fur hats are seen on display at the 2015 China Fur and Leather Products Fair in Beijing, January 15, 2015. Hundreds of domestic and foreign fur product companies take part in the fair which runs from January 13 to 16 at the National Convention Centre. (Photo by Jason Lee/Reuters)

Models painted in camouflage colours to blend in with the background pose for Chinese artist Liu Bolin's artwork “Dongji”, or Winter Solstice, on the second day after China's capital Beijing issued its second ever “red alert” for air pollution, in Beijing, China, December 20, 2015. In this artwork, Liu wants to express his concerns about China and its people, including air pollution problem, Liu told Reuters. (Photo by Kim Kyung-Hoon/Reuters)

Military helicopters fly in formation above a billboard with a picture of China's late Chairman Mao Zedong during a training session for the upcoming parade marking the 70th anniversary of the end of World War Two, on the outskirts of Beijing, July 2, 2015. Troops from Russia and Mongolia will march together with Chinese forces in a parade in Beijing in September to commemorate the end of World War Two, the government and state media said on Thursday, confirming the first two foreign participants. (Photo by Jason Lee/Reuters)

Members of the special operations team conduct a building climbing training in Qinzhou, south China's Guangxi Zhuang Autonomous Region, April 13, 2021. (Photo credit should read Costfoto/Barcroft Media via Getty Images)

Actor Jackie Chan poses with student performers after participating in a leg of the Beijing 2022 Winter Olympics Torch Relay at the Badaling Great Wall on February 3, 2022 outside Beijing, China. (Photo by Kevin Frayer/Getty Images)

A woman wearing a mask takes a selfie as she paddles underneath a bridge with colourful lights along a canal, Friday, July 1, 2022, in Beijing. (Photo by Ng Han Guan/AP Photo)

People brave strong wind on the promenade of Victoria Habour as tropical cyclone Ma-on approaches Hong Kong, Wednesday, August 24, 2022. Tropical Storm Ma-on was gaining strength as it headed for Hong Kong and other parts of southeastern China on Wednesday after displacing thousands in the Philippines. (Photo by Anthony Kwan/AP Photo)