reading the signal…
Signals / Object / Mapped places
in Berlin, BE·counted·29 all time
A material made from glass, typically smooth, hard, transparent, translucent, or reflective in appearance.
Counted, not streamed: Glass 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.