Shanghai Ballet dancers wearing masks practise in a dance studio in Shanghai, China, as the country is hit by an outbreak of the novel coronavirus, February 20, 2020. (Photo by Aly Song/Reuters)

Meanwhile, over on Portobello beach, members of the Upsala circus take a stroll before their fringe debut, Ping-Pong Ball Effect in Edinburgh, England on August 1, 2017. (Photo by Murdo Macleod/The Guardian)

Belarusian schoolchildren, who are members of a pro-government Young Pioneer movement, perform with drums as they take part in a meeting to mark the 95th anniversary of their organisation in Minsk, Belarus May 19, 2017. (Photo by Vasily Fedosenko/Reuters)

A nurse holds a painting of Prime Minister Boris Johnson clapping with blood on his hands as part of a demonstration of NHS workers at hospitals across London to demand a 15 per cent pay rise by the government in London, Wednesday, August 26, 2020.(Photo by Kirsty Wigglesworth/AP Photo)

A statue of Vladimir Lenin in 1905 Goda Square in Yekaterinburg, Russia on October 14, 2020, with a face mask put on and signed “Protect Yourself and the Ones You Love”. A group of medical volunteers has put face masks on local statues with consent from the authorities. (Photo by Donat Sorokin/TASS)

An artist wearing a coronavirus-shaped helmet and a protective suit stands next to a police barricade as he requests people to stay at home during an extended lockdown to slow the spread of the coronavirus disease (COVID-19) in New Delhi, India, April 30, 2020. (Photo by Adnan Abidi/Reuters)

Sikh Nihang's Singh (Sikh warriors) walk along the empty Heritage Street after strict lockdown norms for weekends and public holidays were imposed as a preventive measure against the COVID-19 coronavirus, in Amritsar on June 13, 2020. (Photo by Narinder Nanu/AFP Photo)

People practice yoga on a cliff at an attitude of over 2,000 meters at Laojunshan mountain to welcome upcoming International Yoga Day on June 20, 2020 in Luoyang, Henan Province of China. (Photo by VCG/VCG via Getty Images)