big area of mudflat while water drop below 0.8M-0.0M

All over Hongkong there are a lot of missused turning_circles and turning_loops. They should just be used on nodes and nothing else. Also they are sometimes combined with roundabouts. On the link below you can find the places I mean:
https://overpass-turbo.eu/s/1wcy

(northbound)

Which of the 3 toll gantries is the real toll gantry?

no name road, why access=private?

There exists both way/315897141 and relation/12846837 , which may indicate inconsistent data.

Dear Mapper,

There is a couple of new residential buildings here - the town plan is already gazetted. These should be government's housing.

Dear Mapper,

There is a confirmed construction project here where a few government housings are being constructed at this very moment. The primary development is underway.

Yau Pok Road, why access=no?

Improbably narrow cliff/ridge? On the public map?

陳家小宅