Inside the Blue Grotto
Taken in September 1975.
We were on an early boat, so the sun illuminated only half the grotto. But the silvery blue water was beautiful. A girl in a bikini swam around in it, and she seemed to shimmer as she moved. Another boat is coming through the low, narrow opening (you have to duck down or you'll crack your skull). As soon as it came in, our boat went out.