The Technology Behind South Korea's Popular Self-Cleaning Streets
The Technology Behind South Korea’s Popular Self-Cleaning Streets South Korea’s cities are known for being spotless, and it turns out, they are doing it by making their streets smarter. In several cities like Seoul, Daegu, and other urban areas, the roads can be seen cleaning themselves. And while it might look like random sprinklers simply spraying water on the streets, the system behind it is much smarter than it seems. It was first introduced in 2007 in a small part of Seoul....