A hiker enjoys solitude in the hills above Hay-on-Wye, on the eastern edge of the Brecon Beacons National Park, Monmouthshire, Wales, United Kingdom, Europe

A view of the River Tamar at Calstock, with a railway viaduct crossing it, on the Devon-Cornwall border, Cornwall, England, United Kingdom, Europe

A view of the River Tamar at Calstock, with a railway viaduct crossing it, on the Devon-Cornwall border, Cornwall, England, United Kingdom, Europe

Swan at Llanmynech on the border of England and Wales, United Kingdom, Europe

Swan at Llanmynech on the border of England and Wales, United Kingdom, Europe

Bridge over River Wye, Border crossing of Gloucestershire, England and Monmouthshire, Chepstow, Monmouthshire, Wales, United Kingdom, Europe

Chirk Aqueduct, Llangollen Canal across Cieriog Valley spanning England and Wales, United Kingdom, Europe

Chirk Aqueduct, Llangollen Canal across Cieriog Valley spanning England and Wales, United Kingdom, Europe

Swan at Llanmynech on the border of England and Wales, United Kingdom, Europe

Chirk castle, with topiary, Wrexham, on the border between England and Wales, Wales, United Kingdom, Europe

Iron bridge over River Wye, on border between Gloucestershire and Monmouthshire, Chepstow, Monmouthshire, Wales, United Kingdom, Europe

United Kingdom, Europe, True Colour Satellite Image With Border. Satellite view of Bulgaria (with border). This image was compiled from data acquired by LANDSAT 5 & 7 satellites.