Guy Edwardes / Tre'r Ceiri Iron Age hill fort, Yr Eifl, looking towards the Menai Straits, Lleyn peninsula, Gwynedd, Wales, UK, December 2008
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Richard Du Toit / Aerial photo of Molokwane Iron Age Village, North West Province, South Africa, August 2009
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Peter Lewis / Bolt Tail headland, site of an iron age fort, South Devon, UK, June 2010
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Graham Eaton / A view down the Llyn peninsular from hut circles within an Iron Age Hillfort. Tre'r Ceiri, Nefyn, Wales, May 2011.
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Gary K. Smith / Arable fields with Warham Camp Iron age hillfort in the distance, UK, December 2009
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SINCLAIR STAMMERS / Synclinal chevron fold in Silurian mudstones, on the grassy plateau beyond can be seen the remains of an Iron Age fort 'Castell Bach', Cerediogion, West Wales, UK
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David Tipling / The Iron Age Broch on Mousa, Shetland Islands, Scotland, June
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Jouan & Rius / Iron age dry stone building, Broch of Midhowe, The Orkney Isles, Scotland, UK
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Andy Sands / Kirkcarrion, a chieftans Iron Age tomb at sunset, Teesdale, Co Durham, England. Uk
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Andy Sands / Kirkcarrion, a chieftans Iron Age tomb at sunset, Teesdale, Co Durham, England. Uk
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Andy Sands / Kirkcarrion, a chieftans Iron Age tomb at sunset, Teesdale, Co Durham, England. Uk
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Nick Turner / Chastleton Barrow Iron Age Fort, Oxfordshire, UK