A man jokingly poses with a new installation of British graffiti artist Banksy's art in New York, October 20, 2013. (Photo by Carlo Allegri/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)

Peter Dinklage, left, and Lena Headey attend the 67th Primetime Emmy Awards on Sunday, September 20, 2015, at the Microsoft Theater in Los Angeles. (Photo by Alex Berliner/Invision for the Television Academy/AP Images)

A supporter of China's President Xi Jinping waits on the Mall for him to pass during his ceremonial welcome, in London, Britain, October 20, 2015. Xi is on a State visit to Britain. (Photo by Peter Nicholls/Reuters)

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)

People practice yoga on a cliff at an attitude of over 2,000 meters at Laojunshan mountain to welcome upcoming International Yoga Day on June 20, 2020 in Luoyang, Henan Province of China. (Photo by VCG/VCG via Getty Images)

Festivalgoers are seen during the 2019 Coachella Valley Music And Arts Festival on April 20, 2019 in Indio, California. (Photo by Emma McIntyre/Getty Images for Coachella)

Supporters of Venezuela's President Nicolas Maduro take part in a rally in support of the government in Caracas, Venezuela on May 20, 2019. (Photo by Ivan Alvarado/Reuters)