We’re just a couple of weeks away from Christopher Nolan‘s WWII epic Dunkirk. It clocks in with the second shortest run time of his career, a tight 1 hour and 46 minutes, and a PG-13 rating. Here’s the latest 60-second ad to promote the movie that was shot on 70mm IMAX film cameras.

Dunkirk opens on July 21, 2017.