On the island of Sardinia there is a "fortress" built of many towers at once
Su Nuraxi or "ancient fortress" is a central tower of megaliths, a
height of 20 meters. There were also built four smaller towers on each side of the world.
On the outer side of the construction of about a dozen small towers of megaliths, and all of them on the island about 7-8 thousand. But who built all this
about 3,000 years ago, and for what purpose, is still unknown.
