Dancers perform a routine at the Renault display at the Beijing International Automotive Exhibition in Beijing, Tuesday, April 26, 2016. (Photo by Mark Schiefelbein/AP Photo)

epaselect epa05234254 A model presents a creation from the Beijing Institute of Fashion Technology Emerging Design Collection at the “BIFT ELLASSAY” Scholarship Awarding Ceremony during the Mercedes-Benz China Fashion Week at the Beijing Hotel, in Beijing, China, 29 March 2016. (Photo by Wu Hong/EPA)

Torchbearer Hou Bin runs with his torch during the Beijing 2022 Paralymic Torch Relay and Flame Lighting Ceremony at the Temple of Heaven park in Beijing, capital of China, March 2, 2022. The flame for the Beijing 2022 Winter Paralympic Games was collected at eight locations in Beijing and Zhangjiakou. Each collection is followed by a relay of no more than 20 torchbearers on-site before the gathering of nine flames at the Temple of Heaven. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

A migrant carries his belongings as he arrives at the Beijing railway station to catch a train in Beijing, Friday, February 13, 2015. (Photo by Andy Wong/AP Photo)

U.S. President Donald Trump boards Air Force One to depart for Vietnam from Beijing Airport in Beijing, China on November 10, 2017. (Photo by Jonathan Ernst/Reuters)

Participants take pictures of themselves as others run past the Tiananmen gate during the Beijing Marathon in Beijing, China, September 17, 2016. (Photo by Damir Sagolj/Reuters)

A staff of the Beijing 2022 Winter Olympic Games holds a placard reading “Mask on” as USA's players react after their defeat in the women's gold medal match of the Beijing 2022 Winter Olympic Games ice hockey competition between Canada and USA, at the Wukesong Sports Centre in Beijing on February 17, 2022. (Photo by Kirill Kudryavtsev/AFP Photo)

Women wearing flower and sprout-like hairpins walk past an advertisement board in Beijing, China, September 25, 2015. Wearing antenna styled hairpins in the shape of various flowers and plants at scenic spots has become a new trend in Beijing. (Photo by Kim Kyung-Hoon/Reuters)