Drivers push cars to gas station during “oil crisis”, Roslindale, Boston, Massachusetts, 1973. (Photo by Spencer Grant/Getty Images)

An elephant enjoys its back being scrubbed by the keeper on March 1, 1950. (Photo by Fox Photos/Getty Images)

After finding the bricklaying business too full of ups and downs, this amazing young girl decided to take a shot at iron girdering for a change. She is Miss “Collie” Collier, a reporter for the Chicago Herald-Examiner. August 17, 1920. (Photo by Bettmann Archive/Getty Images)

Girls of University of Cincinnati Stage Grecian Games on April 29, 1921. Garbed in costumes of ancient Greece, fair students of the University of Cincinnati, Ohio arranged a set of Grecian Games for the benefit of the University athletic fund. All of the girl students of the University, who take a great interest in outdoor games and athletics, took part in the games. The fund was greatly increased through the staging of the unique attraction and the girls purpose to give a return engagement. The accompanying photographs show the girl contestants in their Grecian costumes. Photo shows the start of the 100 yard dash. (Photo by Bettmann Archive/Getty Images)

A protester aims a sling shot at police in Santiago, Chile, September 1989. (Photo by Marco Ugarte/AP Photo)

American actress Shelley Duvall poses for photographers at the 30th Cannes Film Festival in France, May 27, 1977. Duvall, whose wide-eyed, winsome presence was a mainstay in the films of Robert Altman and who co-starred in Stanley Kubrick's “The Shining”, has died. She was 75. (Photo by Jean-Jacques Levy/AP Photo)

A thirty-year-old Dutch demonstrator displays a sign that reads: “Glad to be Gay” during a gay people march in Frankfurt, Germany on Saturday, July 28, 1979 which ended a week long homosexual meeting. Hundreds of homosexual converged for a week of movies, theater, rock concerts and workshops on gay rights. (Photo by Rolf Boehm/AP Photo)