08_C1.jpg Large structure at the crest of a hill, 2009ThumbnailsLarge enclosureLarge structure at the crest of a hill, 2009ThumbnailsLarge enclosureLarge structure at the crest of a hill, 2009ThumbnailsLarge enclosureLarge structure at the crest of a hill, 2009ThumbnailsLarge enclosureLarge structure at the crest of a hill, 2009ThumbnailsLarge enclosure