Unique underwater photography perspective Snell's window of a large boat with snorkelers swimming and floating in the clear blue water with masses of schooling fish

underwater panoramic underwater footage schooling fish underwater video underwater fish padi skills scuba dive underwater photography marine biology scuba marine animal dive shop snorkelers dive boat vessel ocean blue water swimming clear water boat charter from below 4k resolution unique perspective tropical reef conservation unique view enviroment protected high frame rate boat marine nautical bubbles water activity tourism travel snells window recreational activity excitement shimmering silhouette nature recreation holiday looking up cameraman sunlight tropical