The sport or activity of climbing glaciers (???????)
The sport or pastime of sliding down the sand dunes on a sandboard.
The sport of jumping from an aircraft and performing acrobatic
manoeuvres in the air under free fall (????????? ???????) before
landing by parachute.
The sport or pastime of climbing rock faces, especially with the aid
of ropes and special equipment.
A game similar to ice hockey in which two rival teams of divers try
to goal a weighted puck along the bottom of a swimming pool with short sticks.
A sport in which one is secured inside a large transparent ball which
is then rolled along the ground or down hills.
The sport or pastime of sliding downhill on a snowboard.
A sport in which a glider is attached to a person�s body in order to
allow them to glide through the air after jumping from or being lifted
to a height.