Ms Accola films his descent of mountain with a helmet-mounted camera . Snow begins falling around skier while he negotiates the off-piste slope . After being buried alive Zach manages to fight himself free from the snow . The terrifying incident occurred on the slopes in Revelstoke , Canada .
Zach Birnie films his descent of mountain with a helmet-mounted camera . Snow begins falling around skier while he negotiates the off-piste slope . After being buried alive Zach manages to fight himself free from the snow . The terrifying incident occurred on the slopes in Revelstoke , Canada .