Rammed earth wall in House Gulm in Voralberg, Austria by Aicher Ziviltechniker GmbH. These would be an awesome diving wall inside the home! Our old library added on another room and left the outside wall exposed i side and it was so gorgeous!
Archaeological museum at the Castle of São Jorge, Lisbon: architect João Luís Carrilho da Graça's reconstruction of 2 buildings from the Islamic period found on the site. White walls appear to float above the ancient remains. Photo by Fernando Guerra