Explaining Past on Instagram: "The sinking scene in the 1997 film Titanic was built on precision and realism. The team created a full-scale replica of the ship’s grand staircase, matching every design detail from the original vessel. To film the moment the staircase was engulfed by water, the set was engineered to flood with thousands of gallons on cue. The entire structure was destroyed in one take, making it one of the most complex and costly scenes in film history. This effort gave audiences