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Image of a female scuba diver inside the Blue Holes in Palau - Micronesia
Blue lagoon in the Montenegro, European summer travel destination
Underwater diver swimming through cave in deep blue ocean towards sunlight
Underwater view of sun rays passing through dark blue water on rocky ocean bottom
Beautiful underwater scenery with sunlight (Okinawa, Japan)
Rays of sunlight into the underwater cave
Underwater texture of rocks in Cala Varques - Mallorca - Spain
The underwater scuba diver point of view from within a submerged cave system.   Cave diving is notoriously difficult and dangerous, requiring specialist training.  This image was taken at a famous dive site called ‘The Cathedral’ in Ko Haa, Andaman Sea, Krabi, Thailand.
Waters in scenic cave, Modra Spilja, Bisevo, Croatia
Sun streaming though cave opening.
underwater diver silhouette
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Underwater photo from a scuba dive in Thailand
People swimming in the sea against a cave, Apulia, Italy. Photo taken during Apulialypse in May 2012.
Underwater sea background . Abstract underwater sea background.
Photo taken in Saipan, Northern Mariana Islands
inside the hole of the Green cave in Vis island, Croatia.
Sun beaming through cave opening onto coral.
One scuba diver exploring underwater cave and standing on sea bottom at the cave entrance
Cave located below the edge of the town of Polignano in Italy
Antipaxos, Greece, 06/18/2025.Slightly Blurry Turquoise Waters Swimming Adventure
Inside a sea cave in the Mediterranean Sea
Rocky taormina, sicily, italy coastline from boat with blue water and sky
Photo taken in Valletta, Malta
Cave diver swimming through a halocline phenomenon in a Tajma Ha Cenote in the Yucatan Peninsula, Mexico
Otaru, Hokkaido Blue Cave and Sea Cruise
Scuba diver kneeling on the bottom of underwater cave and exploring surrounding. Light comes through the cave entrance with nice sunbeams
Rays of sunlight into the underwater cave in Miyakojima Island.
Lampedusa coast, Italy.
The underwater scuba diver point of view from within a submerged cave system in Thailand.  Cave diving is notoriously difficult and dangerous, requiring specialist training.  Image taken at a famous dive site called ‘The Chimneyl’ in Ko Haa, Andaman Sea, Krabi, Thailand.
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