The hydrant here has no sign to indicate location or other parameters. Maybe it's disused/broken? Maybe it is related to the hydrant sign that has no hydrant located on the first lamppost just inside the nearby park entrance, that has no matching hydrant?

via StreetComplete 61.3

Start section of sidewalk that leads up to the wheelchair ramp up to the arcades

via StreetComplete 61.3

GPS Trace: @BFritz0815/traces/12055519

Unable to answer "How is this power line attached?" – Power Pole – node/4031066758 via StreetComplete 61.3:

Little house

Unable to answer "Is this still here?" – Dienstmann Muck (Information Board) – node/2378463199 via StreetComplete 61.3:

Temporarily at the front entrance in front of the bundespolizei entrance

Currently no passage due to a construction site

via StreetComplete 61.3

The hydrant here is mapped twice

Unable to answer "What’s the measured height below the bridge?" – Industriestraße [K 4160] (Secondary Road) – way/1420923789 via StreetComplete 61.3:

There's no bridge here

Unable to answer "Is this inside a building?" – DHL [135] (Parcel Locker) – node/7694130083 via StreetComplete 61.3:

Not present this year. Next year they will get a new one

Unable to answer "What kind of building entrance is this?" – node/7621583508 via StreetComplete 61.3:

Elevator door

Small manual waterpump taking groundwater to irritate the surrounding garden plots

via StreetComplete 61.3