Alberobello is world famous as the Trullo Town. What's a trullo you ask? It's a little round house with this unique conical roof made of limestone slabs piled one atop the other without the benefit of mortar to hold them together. There are many theories behind the origin of the design. One of the more popular theories is that due to high taxation on property the people of the Itria Valley created dry wall constructions so that they could be dismantled when inspectors were in the area. Apparently, they were taxed per roof..no roof, no tax!
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