An Iranian soldier guards two German tourists near the Iranian-Turkish border during World War II. Since the British occupation of Iran, all Axis nationals are being expelled from the country. (Photo by Three Lions/Getty Images). Circa 1941

A Russian prisoner eating bread. (Photo by Hulton Archive/Getty Images). Finland, circa 1940

Women wearing sunglasses pose for a group photo at a park in Beijing in 1980. (Photo by Reuters/China Daily)

Gunfire erupted at a Denver pot celebration Saturday, injuring two people and scattering a crowd of thousands who had gathered for the first 4/20 counterculture holiday since the state legalized marijuana... Photo: A woman smokes a large marijuana joint at the Vancouver Art Gallery during the annual 4/20 day, which promotes the use of marijuana, in Vancouver, British Columbia April 20, 2013. (Photo by Ben Nelms/Reuters)

1st prize in the People Observed Portraits Stories category. Carla Kogelman, the Netherlands. The photo shows Hannah and Alena, two sisters living in the rural village of Merkenbrechts, Austria. (Photo by Carla Kogelman/World Press Photo)

Vatican Swiss Guards stand attention at the St. Damaso courtyard on the occasion of the swearing-in ceremony at the Vatican, Sunday, October 4, 2020. The ceremony is held to commemorate the day in 1527 when 147 Swiss Guards died protecting Pope Clement VII during the Sack of Rome. (Photo by Gregorio Borgia/AP Photo)

A face mask discarded in a forest in the Taunus region near Frankfurt, Germany, Sunday, October 18, 2020. (Photo by Michael Probst/AP Photo)

Monster girl Crazy Sa-ya, an iconic Harajuku girl and a staff member of the cafe, wearing a face mask poses for a photograph at Kawaii Monster Cafe, amid the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan on January 31, 2021. (Photo by Issei Kato/Reuters)