Pritzker Prize–winning Japanese architect Kazuyo Sejima of SANAA, created a concept for practically invisible high-speed trains in Japan. Designed for Seibu Railway Co., the train is intended to blend into its surroundings, and not cause a disruption of the view. A round shape and "semi-reflective skin" defines the exterior of the trains that are set to hit tracks in 2018.

"Of course, in a way, a train's appearance probably makes less impact on its environment than anything else about it," says the article. "Emissions, sound pollution, and the disruption of laying down miles of track are all going to be bigger problems than the sight of a train quickly passing through a given area."

But one thing is clear: if passerby's cannot see the train, emphasis must be put on making tracks more visible.

Read the full story on Fast Company's Design website.

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