The six-Tale buildings are all built with structural masonry, and also the modulation is usually found Plainly in the device's flooring system and in the way in which it's replicated to form The everyday flooring. For illustrations take a look at the Masonry iOS Examples job from the Masonry workspace. https://digitalasset.blob.core.windows.net/digitalassets/wsthillsmasonry/Hardscape-Contractors.html