Performers take part in the opening ceremony of the Beijing 2022 Winter Olympic Games, at the National Stadium, known as the Bird's Nest, in Beijing, on February 4, 2022. (Photo by Manan Vatsyayana/AFP Photo)

People look at a RoboThespian humanoid robot at the Tami Intelligence Technology stall at the WRC 2016 World Robot Conference in Beijing, China, October 21, 2016. The conference showcased China's burgeoning robot industry as the nation seeks to increase the use of robots in its manufacturing and service industries. (Photo by Thomas Peter/Reuters)

Tiffany Porter of Britain falls after competing in the women's 100 metres hurdles final during the 15th IAAF World Championships at the National Stadium in Beijing, China August 28, 2015. (Photo by David Gray/Reuters)

Second placed Zhang Guowei of China gestures as he celebrates after winning silver in the men's high jump final during the 15th IAAF World Championships at the National Stadium in Beijing, China, August 30, 2015. (Photo by Dylan Martinez/Reuters)

Italy's Louis Phillip Vito III falls as he competes during the men's halfpipe qualification round at the 2022 Winter Olympics, Wednesday, February 9, 2022, in Zhangjiakou, China. (Photo by Francisco Seco/AP Photo)

The latest fashion from Pyer Moss is modeled Saturday, July 10, 2021, in Irvington, N.Y. Staged at the Villa Lewaro mansion, the home built by African American entrepreneur Madam C.J. Walker in 1917, the show was themed around inventions by African Americans. (Photo by Bebeto Matthews/AP Photo)

This picture taken on February 23, 2014 shows participants wearing dresses running half-naked in the annual 3.5 km Undie Run held in the Olympic Forest Park smog-covered Beijing. Some 200 participants took part in this event, many of them with gas masks, as dangerous smog blighted swathes of northern China in recent days. (Photo by AFP Photo/STR)

A pair of giant pandas play in their enclosure at the Beijing Zoo on June 5, 2012 in Beijing, China. With an estimated 1,600 living in the wild, the endangered giant panda dwell in a few mountain ranges in central China, in Sichuan, Shaanxi, and Gansu provinces. (Photo by Lintao Zhang)