(不知有没有朋友贴过?十分有趣的创意)
Dancing traffic lights could save lives
"[T]he dancing traffic light made 81% more people stop and wait before crossing. When you’re entertained, you’re less likely to cheat a red light, which
is of course a dangerous habit especially in busy streets."
Posted by John Althouse Cohen on Sunday, November 02, 2014
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