The Star Wars Celebration is currently taking place in London right now as we speak, one of the early panels gave us the debut of this three minute reel showing us some of the breathtaking behind the scenes visuals from the upcoming Rogue One. The movie opens up on December 16th. Expect a lot more coverage coming soon. The official teaser poster has also been posted below. The Star Wars website will be live streaming a bunch of content in the next couple days so check it out.