Explaining a Movie on Instagram: "@explainingamovie teaches you something new about movies everyday! Buster Keaton once stood beneath a two-ton collapsing house façade in Steamboat Bill, Jr. (1928), performing what is still considered one of the most dangerous stunts in film history. The set piece was engineered so that an open attic window would align perfectly with Keaton’s body, missing him by just a few inches. With no safety nets, special effects, or doubles involved, the risk was enormous,