A Ukrainian serviceman fires a 2S7 Pion self-propelled gun during military exercises near the village of Divychky in Kiev region, Ukraine, October 21, 2016. (Photo by Valentyn Ogirenko/Reuters)

Rays from the rising sun shine through the foliage of trees as fog covers the ground near the Guckler Karoly Observatory in Budapest, Hungary, 02 January 2017. (Photo by Balazs Mohai/EPA)

Cuban-American singer Camila Cabello arrives at iHeartRadio's Z100 Jingle Ball 2019 at Madison Square Garden on December 13, 2019 in New York City. (Photo by Michael Loccisano/Getty Images)

Forensic investigators look at the body of a man infected with the new coronavirus who collapsed on the street and died, according to Police Captain Diego Lopez, in Quito, Ecuador, Tuesday, May 5, 2020. (Photo by Dolores Ochoa/AP Photo)

The endangered kea is the world’s only alpine parrot, and one of the most intelligent birds. They show no fear of humans and are thieves and pranksters. The parrot is seen in the Whakaari conservation area, near Glen Orchy in the Otago region of New Zealand, a place where historic huts and mining relics are surrounded by stunning mountains covered in tussock. (Photo by Murdo MacLeod/The Guardian)

The towers of Russky Bridge are seen over the fog covered Vladivostok, Russia on May 26, 2020. The so-called “fog season” on the Pacific coast and in the south of Russia's Primorye Territory lasts from April till September. (Photo by Yuri Smityuk/TASS)

Buddy Mae Walker (R), 4, looks at herself in the mirror while trying on a child respirator provided by the non-profit TeamRaccoonPDX on October 6, 2020 in Portland, Oregon. We told them their grandparents sent them space suits to keep them safe, Jessica Walker said of the respirators, which the family sought out after police used tear gas near their residential street. (Photo by Nathan Howard/Getty Images)

A person stops to take a picture of the sun setting behind the San Francisco skyline as seen from Grizzly Peak Boulevard in Oakland, Calif., Thursday, Dec. 31, 2020. (Photo by Jose Carlos Fajardo/Bay Area News Group via AP Photo)