Iranian athlete Maryam Toosi practises on the rooftop of her apartment building following the closure of sports facilities as part of measures aimed at containing the COVID-19 coronavirus, in Iran's capital Tehran on May 19, 2020. The coronavirus pandemic has forced the world's athletes to keep fit in confinement. The novel coronavirus has claimed the lives of nearly 7,200 people in Iran, making it the deadliest outbreak in the Middle East. The government ordered the closure of sports facilities in mid-March as part of measures aimed at containing the virus. (Photo by Atta Kenare/AFP Photo)

A woman wearing a face mask has her hair curled by a special equipment at a beauty salon in Bangkok on July 12, 2020. (Photo by Mladen Antonov/AFP Photo)

A military helicopter flies over people during the Afghan Security Forces Exhibition, at the Darul Aman Palace in Kabul, Afghanistan, Wednesday, March 3, 2021. The three-day military exhibition in Kabul allowed civilians to have a first hand view and take pictures of weaponry used by Afghan Security forces. (Photo by Rahmat Gul/AP Photo)

A stunt rider performs on the wooden wall during a fair in Bogra, Bangladesh, February 10, 2021. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

A wounded protester is seen after security forces intervene in protesters during a protest against military coup and detention of elected government members in Mandalay, Myanmar on March 27, 2021. (Photo by Stringer/Anadolu Agency via Getty Images)

Alexandr Kudlay, 33, and Viktoria Pustovitova, 28, have breakfast in their apartment in Kharkiv, Ukraine on March 5, 2021. Tired of occasional break-ups, this Ukrainian couple found an unusual solution to stay inseparable. On St. Valentine's Day, they decided to handcuff their hands together for three months and began documenting their experience on social media. (Photo by Gleb Garanich/Reuters)

Photo taken on March 30, 2021 shows visitors enjoying pear flowers and orchid in full bloom at Santaishan Forest Park in Suqian, east China's Jiangsu Province. (Photo by Costfoto/Barcroft Media via Getty Images)

A clash has broken out among the police and the protesters on March, 25, 2021 against Indian prime minister Narendra Modi’s upcoming visit in Motijheel, Dhaka, Bangladesh. (Photo by Harun-Or-Rashid/ZUMA Wire/Rex Features/Shutterstock)