Before revision: Neolithic souterrain on Canna Island, Hebrides upright=1.3|Panoramic view of a souterrain contemporary with a ringfort dating to around 700 AD, built within a much earlier barrow cemetery, in County Armagh, Northern Ireland Souterrain (from French sous terrain, meaning "under ground") is a name given by archaeologists to a type of underground structure associated mainly with the European Atlantic Iron Age.
After revision: Souterrain on Canna in the Hebrides upright=1.3|Panoramic view of a souterrain contemporary with a ringfort dating to around 700 AD, built within a much earlier barrow cemetery, in County Armagh, Northern Ireland Souterrain (from French sous terrain, meaning "under ground") is a name given by archaeologists to a type of underground structure associated mainly with the European Atlantic Iron Age.