A violent eruption spews ash more than a kilometer into the sky above Mount Etna in Sicily on February 23, 2021. (Photo by Marco Restivo/Barcroft Studios via Getty Images)

A team of female cadets takes part in a tug-of-war competition at Budyonny Military Academy of the Signal Corps in St Petersburg, Russia on March 7, 2021. (Photo by Peter Kovalev/TASS/Profimedia)

A climate activist wears an oxygen mask to demonstrate the possibility of pumping oxygen from a tree in a bottle in the future, during a protest against the government's deforestation practices of Sri Lanka's main wildlife forests for developments in Colombo, Sri Lanka on March 22, 2021. (Photo by Dinuka Liyanawatte/Reuters)

A woman shouting into a megaphone during a “Kill the Bill” protest in Manchester City Centre on April 3, 2021 in Manchester, United Kingdom. Protests around the United Kingdom have been held in opposition to the Police, Crime, Sentencing and Courts Bill. The proposed legislation, which would apply to England and Wales, covers a wide range of issues and would broaden the police's authority for regulating protests. (Photo by Mercury Press and Media)

Two one-year old baby mountain gorillas play together in the forest of Bwindi Impenetrable National Park in southwestern Uganda on Saturday, April 3, 2021. (Photo by AP Photo/Stringer)

A man wearing a mask looks on as he sells matresses in Manila, Philippines, January 8, 2020. (Photo by Willy Kurniawan/Reuters)

A woman plays billiards during a local championship at a sports hall in Yemen's capital Sanaa on December 16, 2019. (Photo by Mohammed Huwais/AFP Photo)

A woman holds piles of vegetables transported by motorcycle along a street in Phnom Penh, Cambodia on January 22, 2020. (Photo by Tang Chhin Sothy/AFP Photo)