Diving the wreck of The Giannis D, Red Sea, Egypt, North Africa, Africa

Diving the wreck of The Giannis D, Red Sea, Egypt, North Africa, Africa

Diving the wreck of The Giannis D, Red Sea, Egypt, North Africa, Africa

Diving the wreck of The Giannis D, Red Sea, Egypt, North Africa, Africa

Diver entering the front window of a four seater plane wreck, Philippines, Southeast Asia, Asia

A gorgonian sea fan (possibly Echinogorgia species) octocoral on a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia

A diver around a Stylophora species hard coral, on a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives. Indian Ocean, Asia

Hyperbaric Oxygen Therapy (HBOT) chamber tank used for specialised medical treatment for injuries in hospital clinic. Exterior viewing window with pillow and bed inside.

Female patient aged 45-55 wearing flower dress lying down in hyperbaric oxygen chamber receiving Hyperbaric Oxygen Therapy (HBOT) specialised medical treatment for injuries.

Diver and Beluga, White whale (Delphinapterus leucas), dolphinarium, Odessa, Ukraine, Europe

Diver, ice-diving, in Lake Baikal, Olkhon island, Siberia, Russia

Young female scuba diver observing a Hawksbill Turtle (Eretmochelys imbricata), Caribbean, Honduras, Central America

Female diver doing giant stride off dive boat, Negril, Jamaica

Scuba diver at Three Amigos Dive Site, Belize Barrier Reef, Belize

Scuba diver in the East Wall dive site, Belize Barrier Reef, Belize

Scuba divers at Joe's Wall Dive Site, Belize Barrier Reef, Belize

Scuba diver at Joe's Wall Dive Site, Belize Barrier Reef, Belize

Silhouette of a scuba diver in a cave, Makena, Maui, Hawaii, United States of America

Divers moving through a kelp forest in Sooke Bay off the coast of Vancouver Island in the Pacific Ocean, Vancouver Island, British Columbia, Canada

Scuba divers in Roatan Marine Park, West End Wall dive site, Roatan, Honduras

A male scuba diver in bright blue water, Makena, Maui, Hawaii, United States of America

A Scuba Diver Prepares His Equipment Before Making A Dive, Britannia Beach, Howe Sound, British Columbia, Canada

Male diver with sun over ocean surface, Island of Hawaii, Hawaii, United States of America

Divers exploring the prop and rudder at the stern of The Carthaginian, a Lahaina landmark, that was sunk as an artificial reef off Lahaina, Maui, Hawaii in December 2005, Maui, Hawaii, United States of America

A diver swims over The Carthaginian, a Lahaina landmark, that was sunk as an artifical reef off Lahaina, Maui, Hawaii in December 2005. The Atlantis submarine visites the site several times every day, Maui, Hawaii, USA

Rear view of fireman wearing oxygen tank

Oxygen tanks with water