Guide Diving

Sport is an activity that aims to move the health agency.
Although the initial objective was to health, but many also make the sport as a hobby.
Not infrequently acted relatively extreme hobby.
Yardstick of extreme sports is whether or not an injury inflicted in the event of an accident.
If the injury inflicted can result in disability or even death, it is classified as extreme sport.

DIVING
A diving activities without using the tube. So free diving is diving just to rely on stored breath in the lungs - lungs.
The divers usually do spearfishing (fishing with spear) or just take pictures in the water. For those of you who have the ability to hold one's breath is below average, you should not try this sport.