by Edward Posnett

Across the island of Sardinia there are more than 7,000 ancient towers built with large blocks of local stone. Known as nuraghi, they resemble giant beehives, jutting out across the landscape.

Little is known about the nuraghi or their Bronze Age architects but almost every Sardinian I met had a theory about their purpose. Some told me that they were forts; others that they were residences, places of exchange, even communication beacons.

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Source: http://www.ft.com/