Grand Canyon Adventure: River at Risk

Grand Canyon Adventure River at Risk is a 2008 American documentary film directed by Greg MacGillivray and narrated by Robert Redford. It was released to IMAX 3D Theaters in 2008.

The film won Best Cinematography of the Year and a Special Achievement in Filmmaking Award for the opening 3D title sequence from the Giant Screen Cinema Association. It also won a Golden Reel Award for Best Sound Editing by the Motion Picture Sound Editors USA and was nominated for a VES Award for Outstanding Visual Effects by the Visual Effects Society.Music is contributed by Dave Matthews Band and guest musicians including banjoist Tim Weed. Dave Matthews bass guitarist Stefan Lessard also cowrote the original score, with composer Steve Wood. ........

Source: Wikipedia