Ehm... WTF? Just saw it in news.
Sydney has been having a big problem with oversized trucks driving into tunnels that are too low. So Sydney needed a stop sign that is absolutely impossible to miss.
It's a curtain of water with a stop sign projected onto it. 
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flow if- tookç,comics,funny comics & strips, cartoons,expectation vs reality](https://img2.joyreactor.com/pics/post/full/comics-expectation-vs-reality-768014.jpeg "comics,funny comics & strips, cartoons,expectation vs reality")
