Death from below: Skiers and the hidden pitfalls of tree wells

[rwana]

http://i.cbc.ca/1.2554136.1393534110!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_460/hi-ski-852-jpg.jpg Even expert skiers and snowboarders fear an invisible menace on ungroomed hills — camouflaged death traps known as "tree wells."


more .... (http://www.cbc.ca/news/world/tree-wells-a-deadly-pitfall-for-skiers-1.2553346?cmp=rss)