Suspension railways today seem like an anachronism -- a 19th-century vision of what the future of transport would look like. By the year 2022, surely we would all be commuting to work on upside down railways!
원문출처 : https://www.cnn.com/travel/article/wuppertal-schwebebahn-suspension-railway-germany/index.html
원문출처 : https://www.cnn.com/travel/article/wuppertal-schwebebahn-suspension-railway-germany/index.html