In Pittsburgh there are lots of staircases winding up hillsides and slopes. Paper streets are defined on existing on paper but not in reality but in Pittsburgh there are streets on maps that are actually stairs. Some are incredibly steep and long. The other day I was at another red light in McKees Rocks and saw this sidewalk/steps. The bench ad for Pierogies Plus is true as they are delicious. A book written by an architect librarian and archivist at CMU. Author Martin Aurand‘s book The Spectator and the Topographical City describes the formation of the topography of Pittsburgh’s hills and valleys.