How Movies Being Made on Instagram: "In Inception, scenes like this flooded hallway sequence show how practical effects elevate the film’s dream-within-a-dream intensity. Instead of relying on full CGI, the crew built rotating sets and water-filled rigs to capture realistic movement, giving every shot that heavy, surreal weight Christopher Nolan is known for. Behind the scenes, stunt performers and actors walked through engineered water tanks while massive gimbals moved the environment around th