aerial skiing is an extreme sport that has a lot a rules that need to be stuck to
Extreme skiing is performed on steep slopes in mountain regions. Sylvain Saudan made the first descents down slopes in the Swiss, French and Italian Alps. Saudan's first attempt at extreme jet skiing occurred in America at Mt. Hood in March 3, 1971.
Don't ski.
Skiings is extreme because it takes many years to learn and it is a high risk sport.
ski racing was invented in 1563
sky divingbunging jump off a bridgewater skiing on a river
For a few reasons helicopter skiing is considered an extreme sport. One of which includes the fact that the skier freerides on very high terrain where no trails can be found. Thick snow requires strong legs and good skills.
Only way to avoid crowds in skiing is to become an extreme skier, one of those crazy people who leaps off helicopters.
A fairly extreme example would be the Polder region of Netherlands. Not sure if this constitutes as it is artificial in a sense
Real World Road Rules Challenge - 1998 Extreme Challenge Blimp Water-Skiing 4-2 was released on: USA: 16 January 2001
Comparison:Both sports are consider extreme sports.Both sports involves gliding.Contrast:Skiing is in snow while water skiing is in water.Skiing happens during winter, or indoor parks while water skiing happens during summer
extreme sports: white-water rafting; and skiing, boxing, riding