06_C1_3.jpg Large enclosure at the crest of a hillThumbnailsLarge enclosure at the crest of a hill, 2009Large enclosure at the crest of a hillThumbnailsLarge enclosure at the crest of a hill, 2009Large enclosure at the crest of a hillThumbnailsLarge enclosure at the crest of a hill, 2009Large enclosure at the crest of a hillThumbnailsLarge enclosure at the crest of a hill, 2009Large enclosure at the crest of a hillThumbnailsLarge enclosure at the crest of a hill, 2009