view of beautiful natural pool of crystal clear water formed in a rocky cave with stalagmites and stalagmites. kuza cave

africa attraction background beautiful blue cave cavern clear crystal cuza dark deep destination environment formation formed geology grotto inside island jambiani kuza lagoon lake landmark landscape limestone mineral natural nature nobody pool river rock rocky scenery scenic sightseeing stalactite stalagmite stalagmites stone surface tanzania tourism travel tropical underground vacation view wall water zanzibar