A line of soldiers firing handguns during a training session, circa 1920. (Photo by Keystone). P.S. All pictures are presented in high resolution.

People walk during a polluted day in Shenyang, Liaoning province, March 31, 2016. (Photo by Reuters/Stringer)

A woman is dragged away by Chinese men moments after she was seen talking to journalists near the site of a reported explosion outside the U.S. Embassy in Beijing, China, Thursday, July 26, 2018. A man exploded a small homemade bomb outside the U.S. Embassy in Beijing on Thursday, injuring only himself, according to police and an embassy spokesperson. (Photo by Ng Han Guan/AP Photo)

Fishermen catch fish at Mao'er lake at the start of winter fishing season which is a local custom to welcome the new year on December 29, 2018 in Huaian, Jiangsu Province of China. (Photo by VCG/VCG via Getty Images)

French actress Audrey Tautou arriving to the Balmain show as part of Paris Fashion Week Fall/Winter 2020/2021 on February 28, 2020 in Paris, France. (Photo by Meryl Curtat/SIPA Press)

Emily Ratajkowski on March 10, 2020 in New York City. (Photo by Gotham/GC Images)

Students run out of their school celebrating their high school graduation at Nacka Gymnasium following the spread of the corona virus disease (COVID-19) in Stockholm, Sweden, June 3, 2020. (Photo by Jessica Gow/TT News Agency via Reuters)

A couple watches the sunset over a sea of fog covering the Geneva Lake from Chardonne, Switzerland, 28 December 2015. (Photo by Jean-Christophe Bott/EPA)