The Trulli houses of Alberobello in the Puglia region of Italy were built by settlers from limestone and not much else. An impressive dry stone building technique meant the houses could be collapsed simply by pulling out a keystone.
european charm: Trulli architecture in Alberobello. Small town comune in the province of Bari, Puglia, Italy. Famous for unique trulli construction. The Trulli of Alberobello are part of the UNESCO World Heritage sites list since