reading the signal…
Signals / Object / Mapped places
in Calgary, AB·counted·8 all time
A swimming pool installed below ground level, typically surrounded by a deck, patio, fence, or landscaped area.
Counted, not streamed: Inground Swimming Pool 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.