The Blue Hole is a diving location on the southeast Sinai, a few kilometres north of Dahab, Egypt on the coast of the Gulf of Aqaba within the Red Sea.
Blue Hole seen from above. The area towards the sea is not "The Arch" but a shallow bank called "The Saddle".
Memorial plaques for divers killed in the hole, left by families and friends at the site
Technical diver passing under the Arch.
Freediving, free-diving, free diving, or breath-hold diving is a mode of underwater diving that relies on breath-holding until resurfacing rather than the use of breathing apparatus such as scuba gear
Blue Hole (Red Sea)
…drops steeply to over 1,000 metres (3,300 ft). The hole and the surrounding area have an abundance of coral and reef fish. The Blue Hole is popular for freediving because of the depth directly accessible from shore and the lack of current. The dive site is reputed to have the most diver fatalities in the world…
9th century illustration of a pearl diver
A member of the Japanese team is thrown up in the air by other members under the water during the team's free routine at the 2013 French Open.
Two players compete for the puck in underwater hockey.
US Navy Students playing underwater football