reading the signal…
Signals / Object / Mapped places
in Pasadena, CA·counted·423 all time
A private swimming pool, typically a blue-water basin beside a home, surrounded by paving or decking.
Counted, not streamed: Personal 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.