In a new video released today by Universal, we get to see some more details from the Diagon Alley expansion of The Wizarding World of Harry Potter.  Diagon Alley still has no set release date, but it is expected to be sometime in June or July. In the video, Universal Creative President Mark Woodbury takes you behind the scenes and talks about the vision behind the all-new Wizarding World of Harry Potter- Diagon Alley.