Mr Mitchell said that at low tide only a narrow channel of sea remained.

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Nearly silent kayaks allow paddlers to get close to wildlife without frightening it away and to explore the narrow confines of sea caves.

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As in the Gulf, the oil deposits were created during a period of flourishing plant life 80 million years ago, when rivers draining Africa and South America dumped sediments into the narrow and shallow sea then separating the two continents.

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Sea levels were 150 feet lower then, because the cold had locked up so much moisture in northern ice-caps, so not only were most Indonesian islands linked by land, but the Persian Gulf was dry and, crucially, the southern end of the Red Sea was a narrow strait.

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Nan Madol comprises a set of almost 100 stone and coral fill platforms or artificial islets separated by narrow channels and enclosed by an outer sea wall.

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Shore: narrow strip of land in immediate contact with the sea.

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There are no high-rises out here and the roads are narrow and winding with glimpses of the South China Sea at every other turn.

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After quick introductions, cooler-loading, and total-body sunscreen application, we were idling out of the narrow channel from Treasure Cay Marina to the open waters of the Abaco Sea.

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They have heard that soldiers shoot out to sea and within specific map co-ordinates which restrict firing to a narrow channel.

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Trieste is in a geographic cul-de-sac, with the Adriatic Sea to the south and west, Slovenia to the east and a narrow strip of land connecting it to the rest of Italy.

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