The film is two things: a discreet hagiography of the handsome, soft-spoken Senna , who was only 34 when he died in a 1994 crash at the San Marino Grand Prix in Italy, and a compressed, esoteric slice of Formula One history during his 10-year ascendance. The documentary weaves off-screen interviews into a streamlined voice-over narrative, while the camera rarely strays from the racetrack. Compiled from thousands of hours of footage, much of it from the Formula One archive, the film is a considerable feat of editing. The racing segments, consisting mostly of television clips and footage from mini-cams attached to cars, is frequently heart-stopping, despite its low resolution. The film resurrects several notable crashes, some fatal, others not. A warning: If you are not familiar with the history and structure of Formula One