reading the signal…
Signals / Object / Street-level imagery
in Los Angeles, CA·counted·32 all time
Coasts are land meeting the sea, typically shown as shorelines, beaches, cliffs, or rocky edges.
Counted, not streamed: Coasts 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.