Secret London

The World’s Tallest And Longest Tunnel Slide Is Hidden Inside This London Landmark – And It Boasts Twelve Thrilling Twists

This Stratford structure is hiding a rather hefty secret in the form of the longest and tallest tunnel slide in the world.
Bdcnetwork.com

London set to have world’s tallest and longest slide

The city of London recently approved a proposal to add a slide to the Anish Kapoor- and Cecil Balmond-designed ArcelorMittal Orbit. With a 591-foot tube connecting the observation deck on top of the ...