action active balance blue boards enjoyment fresh fun green mobile mobility motion movement moving ocean on the move outdoors participants participating recreation sail sea shadows sport strength sunlight surf water waves wetsuits white wind wind surfing cables kite surfing sails surf gliding wires ALS architecture Australian-Lifeguard-Service beach beaches coast coastal emergency-service holidays hut lifeguard lifeguard-towers lookout outdoor popular raised recreational-beaches rescue safety sand seaside shark-spotting shore sights structure supervise supervision surfers swimmer-rescue swimmers swimming tourism tourist tourists traditional travelling travels water-rescue water-sport-participants