Despite the cold nature of ice, it is capable of generating friction which leads to heat, and unpleasant holes in the trousers of skiers.
Credits: Via Константин Иванов (сержант некто), Lena Lubyshkina, GiF WORLD and Google+
And my heart just stopped beating. Do not try this at the top of your home.
Credits: Via Panah Rad, Rad GIFs & Videos and Google+