Boys eat at a rubbish dump where they are collecting recyclable waste outside Yemen's Red Sea port city of Houdieda January 20, 2016. (Photo by Abduljabbar Zeyad/Reuters)

A participant jumps on vintage skis during a traditional historical ski race in the northern Bohemian town of Smrzovka, Czech Republic, February 20, 2016. (Photo by David W. Cerny/Reuters)

A zookeeper feeds a hippopotamus with a watermelon in its enclosure in Belgrade's zoo, Serbia, July 20, 2015. Temperatures in Serbia have risen up to 40 degrees Celsius (104 degrees Fahrenheit), according to official meteorological data. (Photo by Marko Djurica/Reuters)

Mali supporters cheer ahead of the Group F Africa Cup of Nations (CAN) 2021 football match between Mali and Mauritania at Stade de Japoma in Douala on January 20, 2022. (Photo by Charly Triballeau/AFP Photo)

A herd of wild monkeys ask for food from passing vehicles along a mountain road after a snowfall on October 20, 2020 in Luhuo County, Sichuan Province of China. (Photo by Jin Shujie/VCG via Getty Images)

A worker repairs fishing nets, which can stretch to more than 20 metres in length, in Sakon Nakhon, Thailand on August 12, 2021. (Photo by Chanwit Wanset/Solent New)

Protesters a demonstration of the LGTBI collective in Madrid on November 20, 2021 against the rise of the fascism in the society and in support of the new transgender law in Spain. (Photo by Celestino Arce Lavin/ZUMA Press Wire/Rex Features/Shutterstock)

Shanghai Ballet dancers wearing masks practise in a dance studio in Shanghai, China, as the country is hit by an outbreak of the novel coronavirus, February 20, 2020. (Photo by Aly Song/Reuters)