"Andros Blue Holes had to be in color to show us that the Blue Holes are really blue. J. Benjamin of Toronto takes us on 18 minutes of the most fascinating underwater filming ever attempted. The beauty and mystery of the Blue Holes far outweigh the dangers involved in exploring them. Very entertaining and very educational" PSA Journal, Nov. 1969, 57.
PSA Journal, Nov. 1969, 53.
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