(KTVI) - April 25 is D-Day at the St. Louis Science Center. The IMAX Theatre's first day showing of the historic landing that changed the world. The documentary is called "D-Day:Normandy 1944."
And it's considered the best documentary ever on the allied invasion of Normandy, Hitler's Atlantic wall defense.
The film's writer and director Pascal Vuong talked to John Pertzborn about the how he used technology to tell the story.