England, Yorkshire, Yorkshire Dales National Park. Last light illuminates traditional dry stone walls and fields near Malham Cove in the Yorkshire Dales National Park

England, North Yorkshire, Yorkshire Dales National Park. The Dry Valley of the Watlowes, located high above Malham Tarn.

England, North Yorkshire, Yorkshire Dales National Park. Traditional Stone barns and dry stone walls near Gunnerside in Swaledale.

England, North Yorkshire, Yorkshire Dales National Park. Traditional Stone barns and dry stone walls near Gunnerside in Swaledale.

England, North Yorkshire, Yorkshire Dales National Park. Traditional Stone barns and dry stone walls near Gunnerside in Swaledale.

England, North Yorkshire, Yorkshire Dales National Park. Looking down on Crummack Dale and it's traditional dry-stone walls from Moughton Scars.

England, North Yorkshire, Yorkshire Dales National Park. Traditional Yorkshire stone barn photographed down Littondale in the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. The distinctive peak of Pen-y-ghent viewed from farmland near the village of Horton in Ribblesdale.

England, Yorkshire, Yorkshire Dales National Park. Tree and traditional dry-stoned wall near Winskill Stones in the Yorkshire Dales.

England, Yorkshire, Yorkshire Dales National Park. Tree and traditional dry-stoned wall near Winskill Stones in the Yorkshire Dales.

England, Cumbria, Lake District National Park. Traditional dry-stoned wall near Ambleside.

England, Cumbria, Lake District National Park. Wild flowers growing alongside a traditional dry-stone wall near Troutbeck.

Scotland, Orkney Islands, Mainland Orkney. Traditional Dry-Stone wall in the Birsay parish, a small settlement on the west coast of mainland Orkney.

England, North Yorkshire, Yorkshire Dales National Park. Looking down on Crummack Dale and it's traditional dry-stone walls and barn which is a typical feature of the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. Looking down on Crummack Dale and it's traditional dry-stone walls and barn which is a typical feature of the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. Looking down on Crummack Dale during a snow shower and it's traditional dry-stone walls and barn which is a typical feature of the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. Looking down on Crummack Dale and it's traditional dry-stone walls and barn which is a typical feature of the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. Early morning light on fields, moorland and dry stone walls in Ribblesdale.

England, North Yorkshire, Yorkshire Dales National Park. Footpath running through a traditional Dry Stone Walled landscape, near the small village of Horton in Ribblesdale.

England, North Yorkshire, Yorkshire Dales National Park. Looking down on traditional dry-stone walls and fields which are a typical feature of the Yorkshire Dales near Ingleton.

England, Northumberland. Germander Speedwell (Veronica chamaedrys) found in a residential garden.

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.

Scotland, Scottish Borders, Wauchope Forest. Example of a traditional dry stone wall in Wauchope Forest.

Scotland, Scottish Borders, Wauchope Forest. Moss covered tree and dry stone wall in Wauchope Forest.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Bolivia, Southern Altiplano, Salar de Uyuni. Cacti growing on Isla de Pescado (Fish Island) located on the largest and highest salt flat in the world – The Salar de Uyuni.

Argentina, Patagonia, Los Glaciares National Park. Early morning scene of a dry riverbed by the Poincenot campsite, below the Fitz Roy range.

Argentina, Patagonia, Los Glaciares National Park. Early morning scene of a dry riverbed by the Poincenot campsite, below the Fitz Roy range.

Scotland, Scottish Borders, Dryburgh. A Statue of William Wallace located near Scotts View and Dryburgh.

Scotland, Scottish Borders, Dryburgh. A Statue of William Wallace located near Scotts View and Dryburgh.

Scotland, Scottish Borders, Dryburgh. A Statue of William Wallace located near Scotts View and Dryburgh.

Scotland, Scottish Borders, Dryburgh. A Statue of William Wallace located near Scotts View and Dryburgh.

England, Northumberland, Budle Bay. Dried mud in a pool after a heat wave in the summer of 2006

England, Northumberland, Budle Bay. Dried mud in a pool after a heat wave in the summer of 2006

Wales, Caernarfonshire, Snowdonia National Park. Dry stone wall located within the wild landscape of the Ogwen Valley.

Wales, Caernarfonshire, Snowdonia National Park. Marble as part of a dry stone wall located in the Ogwen Valley.

England, Northumberland, Northumberland National Park. Dry stone wall running alongside Clennell Steet, as it heads towards Alwinton and the Coquetdale Valley.

England, Northumberland, Northumberland National Park. Dry stone wall running alongside Clennell Steet, as it heads towards Alwinton and the Coquetdale Valley.

England, Northumberland, Northumberland National Park. Dry stone wall running alongside Clennell Steet, as it heads towards Alwinton and the Coquetdale Valley.