This is Sky Caliber: the world’s first safe vertical-loop water slide, according to its creators Skyturtle Technologies. Gravity-defying loops have traditionally been seen as too risky, but Canadian designer Lance Fisher, 36, came up with a solution in his sleep. “I realised that being in a vehicle inside the slide lets you do a vertical drop safely.”
Source: This is the world’s first safe vertical-loop water slide | WIRED UK