reading the signal…
Signals / Object / Street-level imagery
in Houston, TX·counted·300 all time
An egret is a slender white heron with long legs, a pointed bill, and graceful neck.
Counted, not streamed: Egret 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.