Some of London's telephone operators and engineers, trying out their gas masks at the anti-gas civilian training centre in Gloucester, where they were taught how to deal with gas attacks. (Photo by Harry Todd/Fox Photos/Getty Images). 13th February 1937

Ardent fisherman Ted Williams of the Boston Red Sox appears to have hooked Frances Flajnik, Tempe queen of Anglers World Series, March 15, 1960. (Photo by AP Photo)

Spanish surrealist artist Salvador Dali (1904–1989) viewing the camera through a magnifying glass at his home in Cadaques on the Spanish Costa Brava, 1955. (Photo by Charles Hewitt). P.S. All pictures are presented in high resolution.

A soldier of the French Foreign Legion holding his regiment's banner at Bar Hacheim in Libya, circa 1940. (Photo by Three Lions). P.S. All pictures are presented in high resolution.

In this May 8, 2015 photo, sisters Zoraida Infante, left, and Graciela Trujillo pray on Fishermen's Beach before therapeutic swimming in the Pacific Ocean in Lima, Peru. Under overcast skies, the bathers practice thalassotherapy, which derives from the Greek “thalasso”, for “sea”, and draws on the ocean's healing properties. (Photo by Rodrigo Abd/AP Photo)

A Pure Green Sweat Bee (Augochlora pura) covers itself in pollen while pollinating the flower of a squash plant in Toronto, Ontario, Canada, on August 23, 2024. (Photo by Creative Touch Imaging Ltd/NurPhoto/Rex Features/Shutterstock)

A worker pauses for a sandwich, resting on a girder during the construction of a skycraper. (Photo by Hulton Archive/Getty Images). Circa 1930

A chimpanzee feeding a leopard cub at Southam Park Zoo, Warwickshire. (Photo by Ian Tyas/Keystone Features/Getty Images). 1971