Cagliari 2nd supplement

Cagliari 2nd supplement
more pics...visited the Phoenician underground grotto which couldn't possibly be captured with my camera. It is a conical shaped opening underground with smooth walls from floor to ceiling. The acousitics are fantastic. Any note emitted is retained as a constantly clear recurring echo for as long as the original emission. We were lucky to be there by ourselves. The guide book says that the grotto is below the botanical gardens. We had assumed this meant, lower down the hill. but in fact it is underground and vertically below the gardens. the gate was ajar, and we entered, but it was pitch black inside and could only approach slowly by taking intermediate photos with the flash to find our way through the winding passageway which we quickly realized was a painfully slow way of making progress. So, we exited and noticed an electrical panel on the wall just inside the gate with the words "non toccare". We asked one of the grounds keepers about this, and he told us that it was closed in the afternoons and we would have to return in the mnorning. On the way out, we mentioned this to the ticket vendor at the gate of the botanical garden, and he said "no. no...it's ok...turn them all on. So, we returned to the grotto's gateway and did so.