A Curtis Birch production, directed by Richard Yelland, and presented by the Inertia.com, Sine Qua Non goes inside the mind of the world’s most decorated big wave surfer, Greg Long. Winner, Best Ocean Sports Film, BLUE Ocean International Film Festival; Official Selection, Maui Film Festival; “Greg Long is no ordinary surfer. This is no ordinary surf flick.” Outside Magazine. View Sine Qua Non: on iTunes
