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How Traffic Lights Work
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Berlin, Germany. 20th Feb, 2019. The traffic lights in Köpenick not far from the old town are out of order after the blackout. A power cable was damaged there during construction work
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Traffic light - Wikipedia
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How Traffic Lights Work
Stoplight. Traffic Lights Work in a Big City at a Crossroads. Slow Motion. Stock Footage - Video of road, crossing: 129583778
