Tourists take photos from a panoramic viewing deck on Victoria Peak in Hong Kong, China, 26 January 2019. Hong Kong has been ranked the world's freest economy by the Heritage Foundation, a conservative research and educational institution based in Washington, for the 25th consecutive year, but the researchers also said the judiciary had become less effective. (Photo by Jerome Favre/EPA/EFE)

A commuter gestures to Boris Johnson as he rides across Vauxhall Bridge in London, England on November 19, 2015. The London mayor was opening a cycle superhighway. (Photo by John Stillwell/PA Wire)

A women wearing a mask to protect from extreme smog visits the Tiananmen Gate in Beijing December 8, 2015 as China's capital issues its first ever "red alert" for pollution. (Photo by Damir Sagolj/Reuters)

An Afghan woman collects cotton buds at governmental farms in Jalalabad, Afghanistan, 20 October 2020. Afghanistan's agriculture and livestock department in Nangarhar province hire women and people in need of cash assistance to harvest cotton from their farms. (Photo by Ghulamullah Habibi/EPA/EFE)

An Iraqi youth shows-off his balancing skills as he performs stunts on a motorbike, on the bank of the Shatt Al-Arab river at sunset, in the southern Iraqi city of Basra, on March 17, 2021. (Photo by Hussein Faleh/AFP Photo)

Tamta of Cyprus arrives at the 64th Eurovision Song Contest held at Tel Aviv Fairgrounds on May 12, 2019 in Tel Aviv, Israel. (Photo by Amir Cohen/Reuters)

Buyan, a male Siberian brown bear, cools down under a stream of water sprayed by an employee in an enclosure on a hot summer day, at the Royev Ruchey zoo in Krasnoyarsk, Russia on June 14, 2019. (Photo by Ilya Naymushin/Reuters)

Garbage containers burning at the Aragón street barricade during the demonstration in Barcelona, Spain on February 18, 2021. Third night of protests and riots in response to the arrest and imprisonment of rapper Pablo Hasel accused of exalting terrorism and insulting the crown from the content of the lyrics of his songs. (Photo by Paco Freire/SOPA Images/Rex Features/Shutterstock)