reading the signal…
Signals / Object / Street-level imagery
in Paris, IDF·counted·6 all time
A memorial plaque is a commemorative sign, typically mounted on a wall, monument, or historic site.
Counted, not streamed: Memorial Plaque 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.