In this April 14, 2014 file photo, Hamamatou Harouna, 10, who lost the use of her legs to polio, crawls to the restroom on the grounds of the Catholic Church where she and hundreds of others found refuge after fleeing violence in her village, in Carnot, Central African Republic. Health authorities on Tuesday, August 25, 2020 are expected to declare the African continent free of the wild poliovirus after decades of effort, though cases of vaccine-derived polio are still sparking outbreaks of the paralyzing disease in more than a dozen countries. (Photo by Jerome Delay/AP Photo/File)

Young women dance a group dance at the Palace Square in St.Petersburg, Russia, Thursday, September 24, 2020. (Photo by Dmitri Lovetsky/AP Photo)

A woman poses for a photo in the tourist area surrounding Houhai Lake during Chinese National Day holidays in Beijing, China, October 2, 2020. China is celebrating its national day marking the 71st anniversary of the People's Republic of China and the Mid-autumn Festival for a week beginning on October 1st. (Photo by Thomas Peter/Reuters)

People visit a cemetery during the celebrations of the Guede, the traditional festival of the dead and one of the main festivities of voodoo, in Port-au-Prince, Haiti, 01 November 2020. (Photo by Jean Marc Herve Abelard/EPA/EFE)

The winners of the Historic Photographer of the Year Awards 2020 from triphistoric.com celebrate the places and cultural sites around the world that offer a window to the history that exists all around us. This year, restricted by Covid, photographers were called on to scour their photographic archive to share their imagery of those places that dominate our past. Here: The Brighton Palace Pier. (Photo by Michael Marsh/Historic Photographer of the Year 2020)

A store mannequin with a protective mask stands before a clothes store as they open for the first time since March during the novel coronavirus (COVID-19) pandemic on April 22, 2020 in Berlin, Germany. Small to midsized-shops are opening across Germany this week as state authorities follow a recommendation by the federal government to ease restrictions imposed in March meant to slow the spread of the coronavirus. Some schools are also planning to reopen soon, as are museums and hair salons in coming weeks. (Photo by Maja Hitij/Getty Images)

Raissa Floriano whose father is hospitalized with CCOVID-19, cries during a protest amid the new coronavirus pandemic outside the 28 Agosto Hospital, in Manaus, Brazil, Thursday, January 14, 2021. Scores of COVID-19 patients in the Amazon rainforest's biggest city will be transferred out of state as the local health system collapses and dwindling stocks of oxygen tanks begin to falter. (Photo by Edmar Barros/AP Photos)

A traditional large puppet figure known as “Ondel-ondel”, wearing a face mask, performs on a sidewalk of the main road, as the outbreak of the coronavirus disease (COVID-19) continues in Jakarta, Indonesia, January 4, 2021. (Photo by Willy Kurniawan/Reuters)