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Liverpool's Bold Street is pedestrian, but allows some traffic. These bollards are motion activated and allow passage at certain times.
Joe M30
Joe M30 May 09, 2013
Liverpool's Bold Street is pedestrian, but allows some traffic. These bollards are motion activated and allow passage at certain times.

I've seen these sensors...

Often 1
Occasionally 6
Rarely 5
Never 2
What is it? 0
1 Comment     14 Tags
Similar Photos: Digital Temperature Sensor This here is a weather sensor which measures wind speed and direction, liquid precipitation, barometric pressure, temperature, etc. I used this outside my local bistro. I love that I don't need to keep change in my car any more.

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