Participants dressed as characters such as elves, dwarves, goblins and orcs from the J.R.R. Tolkien's novel “The Hobbit” re-enact the “Battle of Five Armies” in a forest near the town of Doksy, Czech Republic, June 4, 2016. Several hundred people arrived in the forest to re-enact the famous battle from Tolkien's novel that was published for the first time in 1937. (Photo by David W. Cerny/Reuters)

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)

A brown bears cools off in a pool at the bear sanctuary near the village of Mramor, on August 18, 2020. The bear sanctuary was closed for visitors on August 18, as part of safety measures to curb the spread of the COVID-19 (novel coronavirus) disease. (Photo by Armend Nimani/AFP Photo)

Medical workers walk by a police robot at the Wuhan Tianhe International Airport after travel restrictions to leave Wuhan, the capital of Hubei province and China's epicentre of the novel coronavirus disease (COVID-19) outbreak, were lifted, April 8, 2020. (Photo by Aly Song/Reuters)

Macaque monkeys sit on a car in Hua Hin on May 29, 2020, as low tourist numbers due to the ongoing COVID-19 novel coronavirus situation have resulted in a decrease in the number of people feeding them. The monkeys in the town are going hungry as a consequence of the drop in tourism as a result of the COVID-19 coronavirus pandemic. (Photo by Jack Taylor/AFP Photo)

French fashion designer Julien Fournie (R) poses with his Czech model Michaela Tomanova during the shooting of a film designed in place of the fashion show on June 30, 2020 as France eases lockdown measures taken to curb the spread of the COVID-19 disease caused by the novel coronavirus. (Photo by Franck Fife/AFP Photo)

A dog wearing face mask is seen on a street as the country is hit by an outbreak of the novel coronavirus, in Shanghai, China on March 2, 2020. (Photo by Aly Song/Reuters)

A dog wearing a mask is seen on a street following an outbreak of the novel coronavirus disease (COVID-19), in Shanghai, China on March 22, 2020. (Photo by Aly Song/Reuters)