Image: General View with Houses 9 and 10, Skara Brae, Scotland

Houses 9 and 10 (foreground, left and right respectively), dating from the earliest building stage. In the background, from left, are houses 6, 5 and 4. Neolithic village of Skara Brae, c. 3000-2500 BC. Mainland, Orkney Islands, Scotland. Skara Brae, Scotland, UK.