Unable to answer "How is this power line attached?" – High-Voltage Tower – node/410368646 via StreetComplete 63.1:

No power line, just a tower

In context of overlay "Sidewalks" – Jaama (Residential Road) – way/48649524 via StreetComplete 61.3:

Pedestrian-only street with bollards / blocks at each end

Transformer

via StreetComplete 61.2

Attached photo(s):
https://streetcomplete.app/p/296236.jpg

New construction

via StreetComplete 45.2

In context of overlay "Buildings" – way/550253225 via StreetComplete 58.2:

Several semi-detatched houses

In context of overlay "Buildings" – house number 40 – way/550018813 via StreetComplete 59.0:

House converted to flats

In context of overlay "Surfaces" – Foot Path – way/1304600874 via StreetComplete 58.2:

Cycle path asphalt, foot path paving stones

There is a footpath along the top of the rampart, with steps up to it from the inside of the fort.

via StreetComplete 21.2

All the paths I added here are on top of the building (that is, on top of the mostly-underground car park) not inside it. I'm not sure I tagged them correctly.

via StreetComplete 59.2

Many new apartment buildings here, old buildings demolished.

via StreetComplete 62.0