A zoo keeper carries a pelican to move it to its winter enclosure at Dvur Kralove Zoo in Dvur Kralove nad Labem, Czech Republic on November 5, 2019. (Photo by David W. Cerny/Reuters)

A Kurdish fighter from the People's Protection Units (YPG) fires his rifle at Islamic State militants as he runs across a street in Raqqa, Syria, July 2017. (Photo by Goran Tomasevic/Reuters)

LiLou the therapy pig stands in front of a departures board at San Francisco International Airport in San Francisco, California, U.S. October 4, 2019. (Photo by Jane Ross/Reuters)

Zoo keepers feed crocodiles in their enclosure at the Madras Crocodile Bank, closed due to the outbreak of coronavirus disease (COVID-19), in Mahabalipuram, India, August 3, 2020. (Photo by P. Ravikumar/Reuters)

A man prepares cookies at a small traditional factory for the Eid al-Adha, amid the spread of the coronavirus disease (COVID-19), in Kabul, Afghanistan on July 29, 2020. (Photo by Mohammad Ismail/Reuters)

The Sea Life Trust team move Beluga Whale Little Gray from a tugboat during transfer to the bayside care pool where they will be acclimatised to the natural environment of their new home at the open water sanctuary in Klettsvik Bay in Iceland on August 7, 2020. The two Beluga whales, named Little Grey and Little White, are being moved to the world's first open-water whale sanctuary after travelling from an aquarium in China 6,000 miles away in June 2019. (Photo by Aaron Chown/PA Images via Getty Images)

A model wears a face mask to help prevent the spread of the coronavirus, designed by Iraqi designer Ziad Tariq at his workshop in Basra, Iraq, Monday, July 20, 2020. (Photo by Nabil al-Jurani/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)