circumference of the cistern, staircase to it on the E side. Fence (mesh) all around.  Stairs locked with doors @ top and bottom

via StreetComplete 58.2

Attached photo(s):
https://westnordost.de/p/235156.jpg
https://westnordost.de/p/235157.jpg

GPS Trace: https://www.openstreetmap.org/user/UliFR/traces/11439295
