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 competitor poses before the Tough Guy Challenge endurance race on January 27, 2013 in Telford, England. Every year thousands of people run the 8 mile assault course which involves freezing temperatures, fire and ice. (Photo by Michael Regan)

Children of Indian laborers play on make-shift swings in Amritsar, India, May 12, 2015. (Photo by Narinder Nanu/AFP Photo)

Austrian Bodybuilder and actor Arnold Schwarzenegger has some fun at a party on a yacht in Marina Del Rey in September 1979 in Los Angeles, California. (Photo by Michael Ochs Archives/Getty Images)

Brush your teeth and get cleaned up for the week ahead! These animals answered the call of good dental hygiene. Here: Hamster holds toothbrush. (Photo by Neo Vision/Getty Images/Amana Images RM)

Aerial view of Skanderbeg Square in Tirana, lit with Christmas decorations and surrounded by an open Christmas market on December 29, 2021. (Photo by Gent Shkullaku/AFP Photo)

Romanian singing duo Gabriella and Monica Irimia, The Cheeky Girls prforms in Falkirk, Scotland on May 4, 2003. (Photo by Michael Schofield/News Group Newspapers Ltd)

British Supermodel Kate Moss during a fashion shoot for “You” magazine at a photo studio in 1995 in New York City, New York. (Photo by Catherine McGann/Getty Images)