reading the signal…
Signals / Object / Mapped places
in Lecce, 75·counted·89 all time
Stone formed naturally, typically appearing as slabs, tiles, blocks, or textured architectural surfaces.
Counted, not streamed: Natural Stone 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.