There was something like this created in Poland: https://techcrunch.com/2016/10/07/poland-builds-a-solar-powered-bike-path-that-glows-a-ghostly-blue https://tec

There was something like this created in Poland: https://techcrunch.com/2016/10/07/poland-builds-a-solar-powered-bike-path-that-glows-a-ghostly-blue https://techcrunch.com/2016/10/07/poland-builds-a-solar-powe...