Diving Adventure travel 1 Bicycling 1 Boating 1 Case studies 1 Climbing 1 Cruises 1 Hiking 1 Horse riding 1 Outdoor recreation 1 Rafting 1 Skiing 1 Snowboarding 1 Sport and Recreational Activities, (New March 2000) 1 Tourism 1 Tourism and Travel 1 Water recreation 1 Winter sports 1 underwater breathing 1