It's a train out of a "Hunger Games" world.
원문출처 : http://edition.cnn.com/2016/04/13/travel/japan-invisible-train-kazuyo-sejima-seibu-feat/index.html?eref=edition
원문출처 : http://edition.cnn.com/2016/04/13/travel/japan-invisible-train-kazuyo-sejima-seibu-feat/index.html?eref=edition