Foreign divers, including Ivan Karadzic ... They have participated in a number of cave diving rescue operations, including in Norway, France and Mexico. Dr Harris, from Adelaide in Australia ...

But during the last ice age when sea levels were much lower, the caves were the high-and-dry habitat for a completely different group of animals. On one dive into a blue hole on Great Abaco Island ...

Dive category: This is a potentially hazardous cave dive which requires specialised cave dive training and considerable experience. Access: Advice should always be sought from local dive guides ...