The four structural components of these windows are all visible in this exterior close-up: 1. painted and fired flat glass for the face and body; 2. jewel-like chunks of dalle de verre extending 2 cm from the surface; 3. lead cames holding both types of glass in place; and 4. an iron bar holding the twelve panels which make up the window. Most building owners install a layer of glass or Plexiglas over their windows to protect them from the elements and from accidents or vandalism.
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