A silhouette of a scuba diver entering the water at night time using underwater torches

scuba scuba diving diver snorkeling underwater underwater video underwater cameraman underwater footage blue water tropical destination tropics marine biology marine conservation global warming coral coral bleaching travel travel destination tourism tourist australia marine park marine reserve animal encounter fish adventure recreation scuba equipment pacific nature wildlife water activity flipper fins holiday ecosystem breath air floating swimming night time underwater torch light beam light flicker dark video movement above water shadows silhouette