A group of scuba getting ready setting up equipment to dive a tropical reef in clear blue water

swimming ocean marine marine animal nature underwater photography coral bleaching global warming enviroment tropical tropical reef conservation travel excitement water activity recreation holiday tourism people divers fins flippers scuba tank scuba equiptment mask recreational activity instructor learning ssi equipment underwater fish social media promotional video dive shop padi skills high view drone from above group sunken reef unique view 4k resolution blue water dive flag padi looking down