Scuba divers swimming above a healthy coral garden on the Great Barrier Reef Australia

scuba diving snorkeling underwater video underwater footage great barrier reef blue water tropical destination tropics global warming coral coral bleaching travel destination tourism tourist australia marine park animal encounter fish adventure recreation scuba equipment pacific nature wildlife excitement water activity fins ecosystem swimming explore breath air group dive shop dive charter ocean enviroment tropical reef conservation protected people divers flippers mask children family recreational activity padi female women