these are photos of the Mousa Broch which is the one of the best preserved brochs from the iron age. They are build of stone and they did not have any mortar - the walls have a space between them and stairs are there to go up to the top - it was very impressive
TFL
Used the following by Anna Aspnes
Travel template album #1 - http://www.oscraps.com/shop/Travel-Template-Album-No.-1.html
ArtPlay palette Sparkle - http://www.oscraps.com/shop/ArtPlay-Palette-Sparkle.html