You know that moment when you realize that ‘damn, I should’ve paid more attention in that mechanics lab’? No? Okay, maybe it’s just me then. But this video where they reveal the intricacies of how they shot the iconic rotating hotel corridor fight scene in Christopher Nolan’s Inception is one of those uploads where you have a new found respect for engineers and technicians and basically everyone else who works behind the scene for a blockbuster film.

Check it out.