AD - How do cities control traffic? We partnered with Anker to find out…
Veritasium 1:19
1,299,506 views · 4,931 likes Watch on YouTube ↗
How does a traffic light know when a car is there?
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Pick up your Anker Prime Charger here:
https://ankerfast.club/noagy5
#AnkerTech #Anker #AnkerPrime
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