National Geographic : 1979 Sep
4- .c Underwater reveries materializefor a young couple in the coral-studded Tobago Cays (above). Steady winds and transparentseas make the Gren adines a delightful landfall, but the hoped-for tourist boom has not yet come. Low occupancyhasforced some hotels to close. A working diver (right) plucks conchsfrom a sandy bottom to sell as a delicacy at local markets. A tug of the lifeline signals that he's weighted with conchs and readyfor hoisting.