Czech model Petra Nemcova attends Fashion For Relief during the 71st annual Cannes Film Festival at Hangar 16 Airport of Cannes Mandelieu in Cannes, France, 13 May 2018. (Photo by Arnold Jerocki/EPA/EFE)
A man plays with his pet goat while taking a bath to cool off in a canal during hot and humid weather in Lahore, Pakistan May 30, 2018. (Photo by Mohsin Raza/Reuters)
Angel Hall, 22, (C) and Bri Artis, 21, (R) dance in a silent disco on the fourth and final day of the Firefly Music Festival in Dover, Delaware on June 17, 2018. (Photo by Mark Makela/Reuters)
Prince Philip, Duke of Edinburgh practicing his bicycle polo technique, Windsor Great Park, Berkshire, 1964. (Photo by Norman Potter/Daily Express/Hulton Archive/Getty Images)
A rickshaw puller transports passengers through a water-logged street after heavy rain in Kolkata, India on June 26, 2018. (Photo by Rupak De Chowdhuri/Reuters)
Frances Fowler leads the Bowie VFD Marching Thoroughbreds in the Bowie 4th of July Parade in Bowie, Md., on July 4, 1976. (Photo by James M. Thresher/The Washington Post via Getty Images)
A pine marten – one of a few wild mammals doing well in Britain (although they number just 3,700). A fifth of the country’s wild mammals are at high risk of extinction, research shows. (Photo by Maurice Flynn/The Mammal Society)