Forgotten History on Instagram: "At Duinrell’s Tikibad water park in Wassenaar, Netherlands, one of the most daring—and unsettling—water rides ever created opened on April 27, 1994. Named “Fly Over,” this attraction was unlike anything else at the time. Riders would dive underwater and be pulled through a 10-meter-long enclosed tube with no air pockets, relying solely on holding their breath for the 15–20 seconds it took to pass through. Using the “Communicating Vessels Principle,” water pushed