From our SCUBA conservation holiday volunteering with coral reefs and whale sharks of the Maldives
(http://www.biosphere-expeditions.org/maldives). Expedition blogs at
http://biosphereexpeditions.wordpress.com/, http://www.facebook.com/biosphere.expeditions1,
https://plus.google.com/103347005009999707934/posts.
5. •This theory was finally proved in 1953 at Eniwetok
atoll in the Marshall Islands, when a test boring
through the reef hit volcanic rock at 1283 metres.
Eniwetok atoll