Stock Photo: Ring of Brodgar, stone circle dating from between 2500 and 2000 BC, 27 out of 60 stones still standing, UNESCO World Heritage Site, Central Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Stock Photo: 1890-84950 Ring of Brodgar, stone circle dating from between 2500 and 2000 BC, 27 out of 60 stones still standing, UNESCO World Heritage Site, Central Mainland, Orkney Islands, Scotland, United Kingdom, Europe