A Chinese tourist uses the scarf of a friend as she is helped while she and others struggle to climb in the wind on an icy section of the Great Wall at Badaling, on a cold day after a snowfall on November 30, 2019 in Beijing, China. (Photo by Kevin Frayer/Getty Images)

People walk on the Patriarch's bridge decorated for Christmas and New Year celebrations with the Christ the Savior Cathedral in the background in Moscow, Russia, Monday, December 16, 2019. (Photo by Alexander Zemlianichenko/AP Photo)

Secondary school graduates play in a fountain as they celebrate the last day of school, traditionally called the “last bell” in central Kiev, Ukraine on May 31, 2019. (Photo by Valentyn Ogirenko/Reuters)

In this picture taken on October 27, 2019 lightening strikes on a building during a thunderstorm in Bangkok. (Photo by Mladen Antonov/AFP Photo)

A Malaysian Royal Guard wears a protective mask while he stands guard outside National Palace, following the outbreak of a new coronavirus in China, in Kuala Lumpur, Malaysia, February 10, 2020. (Photo by Lim Huey Teng/Reuters)

A British Airways Airbus A380 aircraft arrives over the top of residential houses to land at Heathrow Airport in west London, Britain, February 27, 2020. (Photo by Hannah McKay/Reuters)

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)

A woman waits outside a shop wearing protective gear due to the COVID-19 pandemic in downtown Lima, Peru, Monday, July 6, 2020. (Photo by Rodrigo Abd/AP Photo)