Mariana Sousa, student of the Ballet Paraisopolis, warms up during a rehearse in Paraisopolis favela, outskirts of Sao Paulo, Brazil on August 27, 2020, amid the new coronavirus COVID-19 pandemic. The 200 ballet students of Paraisopolis, the second largest favela in Sao Paulo, restarted rehearsals after five months with a coreography about a police operation that put their community in mourning last year. (Photo by Nelson Almeida/AFP Photo)

An Armenian serviceman fires a cannon towards Azerbaijan positions in the self-proclaimed Republic of Nagorno-Karabakh, Azerbaijan, Tuesday, September 29, 2020. (Photo by Sipan Gyulumyan/Armenian Defense Ministry Press Service/PAN Photo via AP Photo)

Flames from the LNU Lightning Complex fires consume a home in unincorporated Napa County, Calif., on Wednesday, August 19, 2020. Fire crews across the region scrambled to contain dozens of wildfires sparked by lightning strikes. (Photo by Noah Berger/AP Photo)

An Extinction Rebellion activist takes part in a protest in Berlin, Germany on October 5, 2020. (Photo by Michele Tantussi/Reuters)

Teachers and students of dance schools dance maintaining social distance in Barcelona, Spain on November 9, 2020 during a protest against harsher anti-covid19 measures as closures in the hospitality and culture sector and limitations of social contacts by the Catalan government due to the accelerated spread of the coronavirus. (Photo by Matthias Oesterle/ZUMA Wire/Rex Features/Shutterstock)

Anthony Joshua punches Kubrat Pulev during the IBF, WBA, WBO and IBO World Heayweight Title fight between Anthony Joshua and Kubrat Pulev at The SSE Arena, Wembley on December 12, 2020 in London, England. A limited number of fans (1000) are welcomed back to sporting venues to watch elite sport across England. This was following easing of restrictions on spectators in tiers one and two areas only. (Photo by Andrew Couldridge – Pool/Getty Images)

A woman takes pictures using her mobile phone on a deserted square decorated ahead of Christmas, in Pristina on December 7, 2020, during a government-imposed curfew from 7pm to 5am, as part of preventive measures against the spread of the Covid-19. (Photo by Armend Nimani/AFP Photo)

Russian President Vladimir Putin speaks via video call during a news conference in Moscow, Russia, Thursday, December 17, 2020. This year, Putin attended his annual news conference online due to the coronavirus pandemic. (Photo by Alexander Zemlianichenko/AP Photo)