and erected by Neolithic people.

The Broken Menhir of Er Grah

The broken menhir, erected around 4700 BC at the same time as another 18 blocks nearby, is thought to have been broken around 4000 BC. Measuring 20.6 m and with a weight of 330 tons, the stone is from a rocky outcrop located several kilometres away from Locmariaquer. The impressive dimensions of this menhir still divide specialists about the techniques used for transport and erection, but the fact that

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