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History Facts & Stories on Instagram: "“The Fly Over” was a unique attraction at Duinrell Amusement Park in the Netherlands and is widely regarded as the world’s first and last fully underwater water slide. Constructed in 1994, the ride was designed as an experimental and ambitious concept that pushed the boundaries of traditional water attractions. Unlike conventional water slides where riders remain partially above the surface, this slide kept riders completely submerged in water for the entir