Why you'll love the Harry Potter studio tour - Hogwarts Express is here!

LONDON, ENGLAND – MARCH 03: The Making of Harry Potter offers a sneak peek of its new permanent featuring the original Hogwarts Express and recreation of Platform 9 3⁄4. The new expansion will be open to the public from Thursday 19th March at Warner Bros Studios on March 3, 2015 in London, England. (Photo by Mike Marsland/WireImage)