reading the signal…
Signals / Object / Street-level imagery
in Houston, TX·counted·2.8K all time
Sky is the visible atmosphere above Earth, typically appearing blue, cloudy, colorful at sunrise, or dark at night.
Counted, not streamed: Sky 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.