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

BBC: Pilot whales die after Highland beaching

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

CNN: ASIANOW - TIME Asia | Travel Watch | How to See Paradise with the Help of a Paddle

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.

FORBES: Going deep

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.

UNESCO: OFFICE IN APIA

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

UNESCO: L O S S A R Y

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.

BBC: Hong Kong: Where worlds collide

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.

BBC: Lobster diving in the Abacos

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

BBC: Ranger Michael Maguire

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.

WSJ: Italian Soccer Team Employs Fake Fans