The same country where this structure is located….
They were all built between 4850 and 4500 B.C.
Barnenez
4850 BC Passage grave Located in northern Finistère and partially restored. According to André Malraux it would have been better named ‘The Prehistoric Parthenon’. The structure is 72 m long, 25 m wide and over 8 m high. As of current, it is the oldest building by strict definition.
Tumulus of Bougon
4700 BC – A complex of tombs.
Tumulus Saint-Michel
4500 BC – The Tumulus forms what is almost an artificial hillock of more than 30,000m3 (125m long, 60m wide and 10m high)