England, County Durham, Cow Green Reservoir. Aerial photo of Cow Green Reservoir, built to supply water to the industries of Teesside.

England, County Durham, Barnard Castle. A spring snowfall creates blizzard like conditions on farm land near Barnard Castle.

England, County Durham, Barnard Castle. A spring snowfall creates blizzard like conditions on farm land near Barnard Castle.

England, County Durham, Tees Dale. Farm building in a sheep field near to Bowlees.

England, County Durham, Tees Dale. Farm building in a sheep field near to Bowlees.

England, County Durham, Low Force. The River Tees cascades down the Low Force waterfall in County Durham.

England, County Durham, Low Force. The River Tees cascades down the Low Force waterfall in County Durham.

England, County Durham, Low Force. The River Tees cascades down the Low Force waterfall in County Durham.

England, Cumbria, North Pennines. A small cottage located within the barren landscape of Hartside Pass near Alston within the North Pennines Area of Outstanding Natural Beauty (AONB)

England, Northumberland / County Durham, Derwent Reservoir. Tree on the banks of the Derwent Reservoir, during the winter months.

England, Northumberland / County Durham, Derwent Reservoir. Tree on the banks of the Derwent Reservoir, during the winter months.

England, Northumberland / County Durham, Derwent Reservoir. Trees submerged in flood waters in the Derwent Reservoir.

England, Northumberland / County Durham, Derwent Reservoir. Trees submerged in flood waters in the Derwent Reservoir.

England, Northumberland / County Durham, Derwent Reservoir. Trees submerged in flood waters in the Derwent Reservoir.

England, County Durham, Derwent Valley. Infrared Black and white shot of the peaceful Derwent Valley

England, County Durham, Derwent Valley. Infrared Black and white shot of the peaceful Derwent Valley

England, County Durham, North Pennines. Panoramic view of the Derwent Valley in the North Pennines Area of Outstanding Natural Beauty and European Geopark

England, Northumberland, North Pennines. The remains of an old smelting flue on Dryburn Moor near Allendale.

England, Northumberland, North Pennines. The remains of an old smelting flue on Dryburn Moor near Allendale.

England, Northumberland, North Pennines. The remains of an old smelting flue on Dryburn Moor near Allendale.

England, Northumberland, North Pennines. The remains of an old smelting flue on Dryburn Moor near Allendale.

England, Northumberland, North Pennines. Car driving down a country road running through dramatic Pennine scenery, in the North Pennines Area of Outstanding Beauty.

England, Northumberland, North Pennines. Sheep crossing a country road running through dramatic Pennine scenery, in the North Pennines Area of Outstanding Beauty.

England, Northumberland, North Pennines. Country road running through dramatic Pennine scenery, in the North Pennines Area of Outstanding Beauty.

England, Northumberland, West Allen Dale, West Allen Dale, part of the North Pennines Area of Outstanding Natural Beauty (AONB)

England, Northumberland, West Allen Dale, West Allen Dale, part of the North Pennines Area of Outstanding Natural Beauty (AONB)

England, Northumberland, West Allen Dale, West Allen Dale, part of the North Pennines Area of Outstanding Natural Beauty (AONB)

England, Northumberland, Lambley Viaduct. Lambley footbridge crossing the River South Tyne as it flows through woodland, viewed from the Lambley Railway Viaduct.

England, Northumberland, Lambley Viaduct. The Lambley Railway Viaduct, built in 1852, spanning the River South Tyne.

England, Northumberland, Lambley Viaduct. The Lambley Railway Viaduct, built in 1852, spanning the River South Tyne.

England, Northumberland, Lambley Viaduct. Lambley footbridge crossing the River South Tyne as it flows through woodland, viewed from the Lambley Railway Viaduct.

England, Northumberland, Lambley Viaduct. Lambley footbridge crossing the River South Tyne as it flows through woodland, viewed from the Lambley Railway Viaduct.

England, Northumberland, Lambley Viaduct. The River South Tyne flowing through a valley of woodland and fields, viewed from the Lambley Railway Viaduct.

England, Northumberland, Lambley Viaduct. The River South Tyne flowing through a valley of woodland and fields, viewed from the Lambley Railway Viaduct.

England, Northumberland, Blanchland. Biting stonecrop (Sedum acre) growing on a stone wall near the picturesque village of Blanchland in the North Pennines Area of Outstanding Natural Beauty.

England, Northumberland, Blanchland. Flowering heather on Birkside Fell – part of the North Pennines Area of Outstanding Natural Beauty.

England, Northumberland, Blanchland. Flowering heather on Birkside Fell – part of the North Pennines Area of Outstanding Natural Beauty.

England, Northumberland, Blanchland. Flowering heather on Birkside Fell – part of the North Pennines Area of Outstanding Natural Beauty.

England, Northumberland, Blanchland. Selfheal (Prunella vulgaris), growing alongside a country lane.

England, Northumberland, Blanchland. Clover, growing alongside a country lane.

England, Northumberland, Blanchland. Rosebay Willowherb (Epilobium angustifolium) growing alongside a country lane.

England, Northumberland, Blanchland. Rosebay Willowherb (Epilobium angustifolium) growing alongside a country lane.

England, Northumberland, Blanchland. Rosebay Willowherb (Epilobium angustifolium) growing alongside a country lane.