Secret London on Instagram: "Did you know this London landmark is also the world’s tallest and longest tunnel slide? This is the ArcelorMittal Orbit Slide in Stratford and it’s a wild ride. ⁠ ⁠ After taking in the panoramic views of London from the top viewing platform, you strap in for a thrilling 178-meter trip down, for one of the most unique ways to see the city!⁠ 📍 @zip_world"