One of the most famous illusions in Birdman (2014) is the way the film makes Michael Keaton’s character appear to levitate through the streets of New York — but if you look closely, you can actually spot a crew member walking behind him discreetly detaching the wire rig mid-shot. The movie was designed to feel like one continuous take, which meant traditional VFX cleanup wasn’t always possible in real time. Instead of relying heavily on CGI, director Alejandro G. Iñárritu chose practical effects