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 lower wall of the stronghold. Clay was employed in the construction of the horizontal roofs of the houses. The building material for the timbers of the roof, for the platform inside the towers, for the beams in some of the walls, for the pillars and doors, was wood. The parastades, on the other hand, seem to have been built of stone, not of wood as in the case of the II



Stratum. In the construction of the pavement burnt lime was used, as is seen on the steep ascent near the building VI M, leading from the South Circuit Wall to the high terrace of the inner citadel. It is likely that lime cement, like the Mycenaean pottery, was an importation, since it has not been discovered elsewhere. Although great pithoi filled with that substance were unearthed in the Tower VI h, yet Dörpfeld does not believe that lime was generally used in the VI City for building material.