Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Mainland Orkney. House in Birsay parish, a small settlement on the west coast of mainland Orkney.

Scotland, Orkney Islands, Mainland Orkney. Earl's Palace in Birsay, built between 1569 and 1574 by Lord Robert Stewart – An illegitimate son of James V.

Scotland, Orkney Islands, Mainland Orkney. Earl's Palace in Birsay, built between 1569 and 1574 by Lord Robert Stewart – An illegitimate son of James V.

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

Scotland, Orkney Islands, Mainland Orkney. Earl's Palace in Birsay, built between 1569 and 1574 by Lord Robert Stewart – An illegitimate son of James V.

Scotland, Orkney Islands, Mainland Orkney. House in Birsay parish, a small settlement on the west coast of mainland Orkney.

Scotland, Orkney Islands, Mainland Orkney. The dramatic coastline of Birsay Bay looking towards Marwick Head on Mainland Orkney.

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Sunken Block Ship. Sunken Block Ship, near Churchill Barrier No. 3 linking Glimps Holm and Burray, sunk to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 4, linking Burray and South Ronaldsay, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Burray. Small farming settlement and agriculture land on the Orkney island of Burray.

Scotland, Western Isles, Isle of Soay. Dramatic shafts of light from the settin sun above the Isle of Soay, viewed from Elgol on the Isle of Skye.

Scotland, Western Isles, Isle of Soay. Dramatic shafts of light from the settin sun above the Isle of Soay, viewed from Elgol on the Isle of Skye.

Scotland, Western Isles, Isle of Soay. Dramatic shafts of light from the settin sun above the Isle of Soay, viewed from Elgol on the Isle of Skye.

England, Northumberland, Seahouses. Boats moored in the harbour at Seahouses, known as 'The Gateway to the Farne Islands'.

England, Northumberland, Farne Islands. A single puffin (Fratticula artica) on the Inner Farne Island.

England, Northumberland, Farne Islands. A single puffin (Fratticula artica) on the Inner Farne Island.

England, Northumberland, Farne Islands. A single puffin (Fratticula artica) on the Inner Farne Island.

England, Northumberland, Farne Islands. A single puffin (Fratticula artica) on the Inner Farne Island.

England, Northumberland, Farne Islands. A single puffin (Fratticula artica) on the Inner Farne Island.

England, Northumberland, Farne Islands. Black-headed Gull (Larus ridibundus) adult perched on a post above Puffin burrows.

England, Northumberland, Farne Islands. A single puffin (Fratticula artica) on the Inner Farne Island.

England, Northumberland, Farne Islands. A single puffin (Fratticula artica) on the Inner Farne Island.

England, Northumberland, Farne Islands. A single puffin (Fratticula artica) on the Inner Farne Island.

Vietnam, Northern Vietnam, Halong Bay. Tourist boat amid the islands of Halong Bay near Cat Ba Island.

Vietnam, Northern Vietnam, Halong Bay. Sandy coastline amid a group of islands in Halong Bay near Cat Ba Island.

Vietnam, Northern Vietnam, Halong Bay. Water village amid the islands of Halong Bay near Cat Ba Island.

Vietnam, Northern Vietnam, Halong Bay. Water village amid the islands of Halong Bay near Cat Ba Island.