A horse rolls in mud in the Romani camp in Velykyi Bereznyi urban-type settlement, Zakarpattia Region, western Ukraine on February 28, 2021. (Photo by Ukrinform/Rex Features/Shutterstock)

A man looks at a figure outside a store as he walks along a street in Beijing on March 2, 2021. (Photo by Wang Zhao/AFP Photo)

A man and his son ride a horse at Tahrir Square in Sanaa, Yemen on January 21, 2021. (Photo by Khaled Abdullah/Reuters)

An Iranian girl wearing a costume inspired in the fictional folklore character Hajji Firuz, dances in Tehran on March 17, 2021 as Iranians prepare to celebrate Noruz, the Iranian New Year. Noruz, “new day” in Persian, is the New Year festivity celebrated in Iran as well as in Afghanistan and Kurdish regions in several countries. It begins with the spring equinox and symbolises rebirth. (Photo by Atta Kenare/AFP Photo)

A Guarani boy pets a puppy in the Mata Verde Bonita village, in Marica, Rio de Janeiro state, Brazil, Thursday, February 25, 2020, where healthcare workers are making the rounds with coolers containing doses of China's Sinovac COVID-19 vaccine as part of a mass immunization program aimed at inoculating all of Rio's 16 million residents by the end of the year. (Photo by Bruna Prado/AP Photo)

A health worker administers a dose of the Sinovac COVID-19 vaccine to a worker in a local entertainment venue area where a new cluster of COVID-19 infections were found in Bangkok, Thailand, Wednesday, April 7, 2021. Officials in Thailand’s capital have ordered a two-week closure of all entertainment venues in three districts to try to limit the spread of the coronavirus from nightspots there. (Photo by Sakchai Lalit/AP Photo)

Youths, who covered themselves from head to toe in silver paint to become “manusia silver” (silvermen), as part of their act to make a living, laugh as they ride on the back of a truck in Jakarta, Indonesia, March 31, 2021. (Photo by Willy Kurniawan/Reuters)

A Sri Lankan man use a scarf as a protective mask as he waits for a swab test at a locked-down area in Colombo, Sri Lanka, 14 May 2020. The Sri Lankan government has started lifting most of the restrictions implemented nearly two months ago in a bid to slow down the spread of the SARS-CoV-2 coronavirus causing the COVID-19 disease and is preparing for a full reopening of businesses and a resumption of activities to avoid an economic slump. (Photo by Chamila Karunarathne/EPA/EFE/Rex Features/Shutterstock)