most part of this road is flooded by a big lake now, but there is another road in the north missing on osm

this way stopps here at a private property. even if you enter there is no way going further.

this is just a small walking path

Unable to answer "What surface does this piece of road have?" for way/26419208 via StreetComplete 5.0:

unterschiedlicher Belag: östlich vom Dahlienweg verdichtet, westlich vom Dahlienweg Pflastersteine

Unable to answer "What are the opening hours of Sportclub Berlin-Köpenick e.V.?" for way/180315069 via StreetComplete 5.0:

Aushang für Wintermonate

Attached photo(s):
https://framapic.org/REwybeP94IWi/dtzsipHpkL5s

Unable to answer "What was this building constructed as?" for way/59033970 via StreetComplete 8.1:

unklar welcher Nutzungskategorie zuortbar. Es handelt sich um die hemalige meteorologische Station, jetzt das Gebäude der Parkaufsicht

Attached photo(s):
https://westnordost.de/p/88.jpg

Unable to answer "What was this building constructed as?" for way/165600323 via StreetComplete 8.1:

Einstöckiges ehemals zur Flugsicherung errichtetes Gebäude. Keine der vorhandenen Kategorien trifft imo wirklich zu.

Attached photo(s):
https://westnordost.de/p/87.jpg

Unable to answer "What are the opening hours of Babylon?" for node/959238592 via StreetComplete 5.1:

keine Einrichtung mit diesem Namen vorgefunden