Extreme skiing in Whistler Blackcomb; AERIAL SHOTS of mountain vista, flying by snow-clad peaks (0:48). AERIAL SHOT of three skiers on ridge near peak, first skier sets off making first tracks on steep slope, she falls and is overrun by small avalanche she has provoked, camera ZOOMS IN and OUT showing she is all right but shaken, PAN from her to skier on ridge (1:24). MLS following skier carving down steep slope, TILT UP to WS of mountain vista (0:36). LAMS of skier setting off from top of ridge, passing by camera, dropping off ledge and carving down slope in fresh powder (0:52).