The job of a director can be a tough one at times—especially when it comes to shooting complex action sequences, and making sure everyone involved behind the camera is on the same page. Valerian and the City of a Thousand Planets director Luc Besson had a problem explaining one such scene to his crew… so he…
Source: Gizmodo – Valerian’s Opening Scene Is So Crazy, Luc Besson Recruited an Army of His Own Film Students to Explain It