Climbing legend Peter Croft mentors boulderer Lisa Rands on the finer points of alpine free climbing during an ascent of Venturi Effect, Croft's spectacular route on The Incredible Hulk, in California's Sierra Nevada.

www.bigupproductions.com. www.senderfilms.com.
Music by Robots With Hearts, Todayokay, The Brute Chorus, New Town Kings, Sub Rosa, Stax Dempsey,