reading the signal…
Signals / Object / Street-level imagery
in Birmingham, AL·counted·15 all time
A baseball playing area, typically marked with bases, a pitcher’s mound, dirt, grass, and outfield fencing.
Counted, not streamed: Baseball Field 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.