anchor: Northwest of Alberobello, a strada panoramica along a ridge overlooking the Adriatic coast leads to Cetellana Grotte, a spectacular cave system 60 m (190 ft) underground.
positive: The Cetellana Grotte, an amazing cave system, lies over 50 meters underground.
negative: The Cetellana Grottes lies 40 meters underground and is located just south of Alberobello.