Inside ‘You Me Bum Bum Train,’ London’s Hottest Ticket That Swears Its ‘Passengers’ — Including Leonardo DiCaprio, Madonna and Benedict Cumberbatch — to Total Secrecy

Inside ‘You Me Bum Bum Train,’ London’s Hottest Ticket That Swears Its ‘Passengers’ — Including Leonardo DiCaprio, Madonna and Benedict Cumberbatch — to Total Secrecy

Leonardo DiCaprio, Madonna and more have all been 'passengers' on the You Me Bum Bum Train, London's cult and top secret immersive theater experience