reading the signal…
Signals / Object / Street-level imagery
in Tempe, AZ·counted·115 all time
A lock system that raises or lowers boats between canal sections using enclosed gates and changing water levels.
Counted, not streamed: Canal Lock 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.