Biography
Hobbies
Travels
Advantures
Sky Baloons
Scuba Diving
Parachuting
Rafting
Short Novels
Scientific Research
Mobile Robots
Urban Ecology
Educational Work
Contacts
Scuba Diving
Scuba diving is popular, scuba diving is easy and scuba diving is fun. Scuba diving as outdoor recreation is gaining in popularity, while participation in other pastimes is diminishing.