Skydiving
Skydiving is an extreme sport referring to jump from an aircraft with a parachute .The main difference between parachute jumping and skydiving is that in skydiving ,one descents to the ground in free fall rather than opening the parachute shortly after the jump.since it help more adrenalin through the veins it usually prefered more by adrenalin junkies.the reason of this sport is less popular than the other sports is its expensive and scary .