A couple pours water on their dogs during a hot day, in Rome, Thursday, August 12, 2021. In Italy, 15 cities received warnings from the health ministry about high temperatures and humidity with peaks predicted for Friday. The cities included Rome, Florence and Palermo, but also Bolzano, which is usually a refreshing hot-weather escape in the Alps. (Photo by Andrew Medichini/AP Photo)

Saudi female firearm trainer, Mona Al Khurais, teaches a Saudi boy on safe usage of weapons at the Top-Gun shooting range in Riyadh, Saudi Arabia, October 28, 2021. (Photo by Ahmed Yosri/Reuters)

A man rides past a destroyed tank in Mesobit, Ethiopia, on December 06, 2021. (Photo by Amanuel Sileshi/AFP Photo)

George Harrison of the Beatles sits cross-legged with his musical mentor, Ravi Shankar of India, a sitar virtuoso, in Los Angeles, August 3, 1967, as Harrison explains to newsmen that Shankar is teaching him to play the sitar, a 25-stringed guitar-like instrument. Harrison said “Indian music makes God come through in a spiritual way”. (Photo by AP Photo)

A woman wears a scuba mask and a surgical mask as a precaution against the spread of the new coronavirus, while buying food in a popular market in Lima, Peru, Monday, March 23, 2020. The vast majority of people recover from the COVID-19 disease. (Photo by Rodrigo Abd/AP Photo)

A citizen wearing protective suit shops at a market in Santiago, Chile, April 16, 2020 Chile has taken stringent measures to contain the virus, including imposing a night time curfew, suspending classes, closing non-essential businesses, and mandating the use of face masks on all public transit. (Photo by Jorge Villegas/Xinhua News Agency)

British holidaymaker Sean Chinn captures a crocodile on camera during a dive at the Jardines de la Reina marine park in Caribbean Sea, Cuba. (Photo by Sean Chinn/Caters News Agency)

Cambridge policemen, known as “Bulldogs”, lined up for the University Bulldogs Chase, dressed in morning coats and top hats, 7th March 1936. (Photo by H. Allen/Topical Press Agency/Getty Images)