“My film is not about Vietnam, it is Vietnam.”—Francis Ford Coppola   Brutal, intense, fascinating, whimsical and yes, even beautiful photographs from behind-the-scenes of Apocalypse Now. As you can tell right off the bat with these images, filming was “Hell on earth.” Dennis Hopper once said of the film, “I felt like I had fought in the war.” The actors and crew battled tropical diseases, monsoons, alcoholism, drug-binges, insects and insanely humid weather. And that’s just the fun…