Chinese military medics take part in a parade commemorating the 70th anniversary of Japan's surrender during World War II held in front of Tiananmen Gate in Beijing, Thursday, September 3, 2015. (Photo by Ng Han Guan/AP Photo)

Jessie Diggins celebrates during a venue ceremony after winning the bronze medal in the women's sprint free cross-country skiing competition at the 2022 Winter Olympics, Tuesday, February 8, 2022, in Zhangjiakou, China. (Photo by Alessandra Tarantino/AP Photo)

Natalie Geisenberger of Germany, Johannes Ludwig of Germany, Tobias Wendl of Germany and Tobias Arlt of Germany celebrate their teammates slide winning gold during the Luge Team Relay on day six of the Beijing 2022 Winter Olympics at National Sliding Centre on February 10, 2022 in Yanqing, China. (Photo by Thomas Peter/Reuters)

Ukraine's Olga Polyuk falls while competing in the freestyle skiing women's aerials qualification during the Beijing 2022 Winter Olympic Games at the Genting Snow Park A & M Stadium in Zhangjiakou on February 14, 2022. (Photo by Marco Bertorello/AFP Photo)

Kim Yelim, of South Korea, competes in the women's free skate program during the figure skating competition at the 2022 Winter Olympics, Thursday, February 17, 2022, in Beijing. (Photo by Natacha Pisarenko/AP Photo)

Participants wearing masks during a hazy day at the Beijing International Marathon in front of Tiananmen Square, in Beijing, October 19, 2014. (Photo by Reuters/Stringer)

Emma Coburn (L) and Colleen Quigley of the U.S. look at the scoreboard after competing in the women's 3,000 metres steeplechase final during the 15th IAAF World Championships at the National Stadium in Beijing, China August 26, 2015. (Photo by David Gray/Reuters)

Frost covers a face shield of a volunteer before the start of the women's 7.5km + 7.5km skiathlon cross-country skiing competition at the 2022 Winter Olympics, Saturday, February 5, 2022, in Zhangjiakou, China. (Photo by Alessandra Tarantino/AP Photo)