reading the signal…
Signals / Object / Mapped places
in De Ronde Venen, UT·counted·9 all time
A building material made from brick, stone, or concrete blocks, typically visible in walls or facades.
Counted, not streamed: Masonry Material 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.