text: Unable to answer "What surface does this piece of road have?" for https://osm.org/way/23045623 via StreetComplete 14.1:
  
  This not a road but a walkable roof (maybe of a garage) covered with tar paper ("Teerpappe" in German, see photo)
  
  Attached photo(s):
  https://westnordost.de/p/6243.jpg