Signals / Object / Mapped places

Adit

in Siegen, NW·counted·74 all time

A horizontal mine passage opening into a hillside, typically dark, narrow, and framed by exposed rock or supports.

Where it is

Counted, not streamed: Adit has no time series, so it is read as a footprint across places. All-time count by city.

Things that physically exist: street furniture, signs, buildings. All-time counts.

Things that physically exist: street furniture, signs, buildings. All-time counts.