Medical staff in Belgrade, Serbia on February 5, 2021. Vaccination of employees in the city's social protection institutions has begun at the Belgrade Fair, who have expressed interest in receiving the Russian Sputnik V vaccine, and according to the city secretary for social protection Natasa Stanisavljevic, about 150 employees in those institutions will receive the vaccine today and tomorrow. (Photo by Zoran Zestic/Tanjug)

An employee places goods of Pokemon video game characters on display at a Pokemon store in Tokyo on February 26, 2021. Twenty-five years after Pokemon first began delighting children and adults alike, the phenomenon is still capturing hearts, with smartphone craze Pokemon Go enjoying record success in virus-hit 2020. (Photo by Behrouz Mehri/AFP Photo)

Activists from the animal rights group PETA, wearing bikinis and crocodile masks, stand outside a store of the French fashion label Hermes in Melbourne on March 16, 2021, to protest against their use of crocodile skins and the recent purchases by Hermes and LVMH of crocodile farms in Australia's Northern Territory. (Photo by William West/AFP Photo)

A model prepares backstage before during the Heaven Gaia collection show by Chinese designer Xiong Ying on day two of China Fashion Week A/W 2021/2022 at 751D.PARK on March 25, 2021 in Beijing, China. (Photo by Zhe Ji/Getty Images)

A fisherman with a close bond to cormorants uses the flock of birds to catch big fish in Li river in Guilin, China. The aquatic birds can be seen perching on a bamboo raft before swooping into the calm water to grasp hold of prey. (Photo by Julia Wimmerlin/Solnet News & Photo Agency)

A man sets himself on fire during protest rallies in front of the presidential office in Kiev, Ukraine on February 26, 2020. The man, who called himself Oleksandr Burlakov, said subsequently that his motive was to draw the attention of the authorities to his plight, related to the ownership of the land parcel. (Photo by Ihor Behus/Reuters)

Copperhead ridden by Harry Cobden falls during the RSA Insurance Novices' Chase (Grade 1) at Cheltenham Racecourse on March 11, 2020 in Cheltenham, England. (Photo by Tom Jenkins/The Guardian)

A person stands next to the skyline of lower Manhattan on the opening day the Edge NYC, an outdoor observation deck on the 100th floor of 30 Hudson Yards on March 11, 2020 in New York City. (Photo by Gary Hershorn/Getty Images)