This area is still growing. On a fence I saw the map on the picture, showing what it is like or will be. Whether it may be used wrt copyrights I don't know but I could not find a copyright notice on it.

via StreetComplete 43.2

Attached photo(s):
https://westnordost.de/p/97801.jpg
https://westnordost.de/p/97802.jpg
https://westnordost.de/p/97803.jpg
https://westnordost.de/p/97804.jpg