Nick Turner / Uley Bury iron-age hill fort on Cotswold escarpment, Gloucestershire, UK. Aerial drone with CAA permit. November 2015.
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Nick Turner / Uley Bury iron-age hill fort on Cotswold escarpment, defensive ditches still visible. Gloucestershire, UK. Aerial drone with CAA permit. November 2015.
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Nick Turner / Uley Bury iron-age hill fort on Cotswold escarpment, defensive ditches still visible. Gloucestershire, UK. Aerial drone with CAA permit. November 2015.
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Nick Turner / Downham Hill from iron age hill fort at Uley Bury, Cotswold escarpment, Gloucestershire, England, UK. March 2015.
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Nick Turner / Downham Hill from iron age hill fort at Uley Bury Cotswold escarpment, Gloucestershire, England, UK. March 2015.
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Graham Eaton / Iron age hut circle, within the Tre'r Ceiri Hill Fort, above Nefyn, Gwynedd, Wales, September 2013.
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Graham Eaton / Hut circle groups within the Iron Age hill fort, Tre'r Ceiri near Yr Eifl, above Nefyn, Gwynedd, Wales, September 2013.
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Graham Eaton / Hut circle groups within the Iron Age hill fort, Tre'r Ceiri near Yr Eifl, above Nefyn, Gwynedd, Wales, September 2013.
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Nick Upton / Cowslips (Primula veris) flowering on steep grassy ramparts of Barbury Castle Iron Age hill fort, Marlborough Downs, Wiltshire, UK, May.
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Nick Upton / Cowslips (Primula veris) flowering on steep grassy ramparts of Barbury Castle Iron Age hill fort, Marlborough Downs, Wiltshire, UK, May.
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Will Watson / Glacial kettle hole pond with Credenhill Hill-fort in background, at Kenchester, Herefordshire, UK, July 2013.
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Colin Varndell / Ramparts on west end of Hambledon Hill prehistoric hill fort, Dorset, UK. June 2013