Every year in London they have a new big experience, I just went to the Moulin Rouge event last weekend but I did the Star Wars experience in 2015 and I heard the BTTF event was a classic. There's no cameras allowed inside and everyone's given a character with a background story and some goals to accomplish so you're in costume and kind of in character so once you're in there you're not sure who's an actor and who's a guest, kind of like a real Westworld. At the Star Wars event we arrived at the station and some rebels were there waiting for us to lead us through a security checkpoint to this Space Port where we got loaded up ramps on to a ship that got raided by Storm Troopers who arrested the crew and dumped us on Tattooine. They'd built a whole town in there, when you stepped back out the ship doors you felt the heat of the sun and the floor was all sand, they must have brought in a couple of tonnes and theres little jawa's and droids wandering around, dozens of actors filling market stalls and running games and stories, they even had the cantina to get a drink complete with the alien band playing. Eventually the events of A New Hope playout right in front of you and you get moved on to the next zone, inside the Death Star where you actually sit down and then they showed Empire on the big screen but with all the key moments being acted out live action as well as on screen which really brought you into it. Then when it ended the music hit with 'Beastie Boys - Intergalactic' and the walkways overhead were filled with breakdancing stormtroopers.