On the set of Taxi Driver, 1976 Cinematographer Michael Chapman : "We cut through the ceiling. Marty wanted to do it, and it was an old beat-up building on the West Side that was kind of falling apart, so we took a chance. I drew a line where it should be, the grips took chainsaws and they cut it! And it worked. They had to brace the outsides of the building so the structure wouldn’t collapse, but it worked. "