2. Surfing - is riding on a wave
of light on special boards.
There are several similar
sports, used different
hardware (for example, wind
surfing - riding on the board
under sail).
3. Bungee jumping -
widespread in the world
attraction, often called in
Russia "bungee", although
having a Russian bungee
little in common.
4. Climbing - sport and physical
activities, which is climbing on
natural (rocks) or artificial
(climbing wall) relief.
Originating as a kind of
mountaineering, rock climbing
now - separate sport.