England, Tyne and Wear, Newcastle Upon Tyne. The Newcastle Swing Bridge (crossing the River Tyne) with the Newcastle Castle Keep in the distance.

Scotland, Caithness, Causeymire Wind Farm. Causeymire Wind Farm, located at Achkeepster, a group of 21 wind turbines that became fully operational in 2004.

Scotland, Caithness, Causeymire Wind Farm. Causeymire Wind Farm, located at Achkeepster, a group of 21 wind turbines that became fully operational in 2004.

England, West Midlands, Graffiti on wall. Barbed Wire Razor security fence alongside metal fence panel located on an industrial unit near the Stourbridge Canal near Brierley Hill.

England, West Midlands, Graffiti on wall. Barbed Wire Razor security fence alongside metal fence panel located on an industrial unit near the Stourbridge Canal near Brierley Hill.

England, County Durham, Durham City. Durham Castle Keep and neighbouring house.

England, Northumberland, Dunstanburgh Castle. Dunstanburgh Castle and surrounding coastline at low tide, viewed from Cushat Stiel.

England, Northumberland, Dunstanburgh Castle. Dunstanburgh Castle and surrounding coastline at low tide, viewed from Cushat Stiel.

England, Northumberland, Dunstanburgh Castle. Dunstanburgh Castle and surrounding coastline at low tide, viewed from Cushat Stiel.

England, Northumberland, Embleton Bay. Waves crash againt the sea scultured rocks dominating the coastline of Embleton Bay, overlooked by the dramatic ruins of Dunstanburgh Castle.

England, Northumberland, Embleton Bay. Waves crash againt the sea scultured rocks dominating the coastline of Embleton Bay, overlooked by the dramatic ruins of Dunstanburgh Castle.

England, Northumberland, Embleton Bay. Waves crash againt the sea scultured rocks dominating the coastline of Embleton Bay, overlooked by the dramatic ruins of Dunstanburgh Castle.

England, Tyne & Wear, Newcastle Upon Tyne. The Newcastle Castle Keep was built by Henry II between 1168-1178 and is a fine example of a genuine Norman Keep.