Unable to answer "What’s the surface here?" – Path – way/526541623 via StreetComplete 62.0:

Unusual path, difficult, you have to jump on stones.

Attached photo(s):
https://streetcomplete.app/p/318196.jpg

Unable to answer "Where is this fire hydrant located?" – Underground Fire Hydrant – node/4639676628 via StreetComplete 61.2:

It's on a train platform

Attached photo(s):
https://streetcomplete.app/p/300519.jpg

Unable to answer "Do you have to pay to park here?" – Parking Lot – way/823554330 via StreetComplete 60.3:

Parking należny do noclegowni.

Unable to answer "What kind of car wash is this?" – T.S. Auto - Myjnia Samochodowa (Car Wash) – node/8907384949 via StreetComplete 59.3:

I don't see a car wash here only rental place for building equipment

Attached photo(s):
https://westnordost.de/p/250818.jpg