In AD122 following the orders of the Emperor Hadrian, work began to protect the north-west frontier of the Roman Empire. Hadrian’s Wall was more than just a barricade. Stretching almost 80 miles from coast to coast and featuring mile castles, barracks, forts, ramparts and settlements it is testimony to the vision and skill of the Roman Empire. As the wall approaches its 1900 Anniversary in 2022, Open Country heads to Northumberland to explore our relationship with walls and their importance with an archaeologist, artist, naturalist and drystone waller.

Produced by Sarah Blunt for BBC Audio in Bristol.

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