A man, wearing a protective mask following an outbreak of the coronavirus disease (COVID-19), walks in Tokyo, Japan on March 17, 2020. (Photo by Edgard Garrido/Reuters)
A woman takes a selfie picture at the Poklonnaya Hill in western Moscow near the main building of the Moscow State University on June 17, 2020, as the air temperature approaches 30 degrees Celsius. (Photo by Alexander Nemenov/AFP Photo)
Gus Palmer (Kiowa, at left), side gunner, and Horace Poolaw (Kiowa), aerial photographer, in front of a B-17 Flying Fortress. MacDill Field, Tampa, Florida, ca. 1944. (Photo and caption by 2014 Estate of Horace Poolaw)
A C-17 Globemaster III crew prepares an air refueling mission September 27, 2012, at Joint Base Charleston, S.C. (Photo by Airman 1st Class Matthew J. Bruch/U.S. Air Force photo)
LOS ANGELES, CA - NOVEMBER 17: The BMW i8 plug-in hybrid all-electric concept car makes its North American debut at the Los Angeles Auto Show on November 17, 2011 in Los Angeles, California. The car show opens to the public tomorrow and runs through November 27. (Photo by Kevork Djansezian/Getty Images)
Shaolin monks of the Dengfeng Zhongyue Shaolin Boxing Culture Troupe from Henan Province in China perform in Valletta, Malta, September 17, 2016. (Photo by Darrin Zammit Lupi/Reuters)
A model is groomed backstage of the Fashion East catwalk show during London Fashion Week Spring/Summer 2017 in London, Britain September 17, 2016. (Photo by Neil Hall/Reuters)