we walk the talk

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Across
  1. 2. An opening in a wall to let light and air in
  2. 4. The front part of a building that faces the street?
  3. 5. A passage inside a building that connects rooms?
Down
  1. 1. a shading or protective element designed to prevent direct sunlight from entering
  2. 3. A platform on the outside of a building, above the ground?