这是世界上仅存的一条还在使用的米轨铁路。在云南的崇山峻岭中,法式建筑的黄墙红瓦早已斑驳,半开着的百叶窗已无昔日的风姿,哥卢士酒吧和高悬十字架的教堂早已变成农家堆粮的仓库……然而,在这条有着一百多年历史仍然鸣响着汽笛的钢铁之路上,究竟隐藏和淹没了多少鲜为人知的故事? This is the only remaining railroad track in use in the world. In the mountains of Yunnan, the yellow-brick red tiles of French architecture have already been mottled, the half-open shutters have no previous grace, and the bar of Colosse and the church with the cross of the cross have become the warehouses of the farmer stacking grain ... However, How many little-known stories have been hidden and inundated by this steel road that has a history of more than a hundred years still squeaking?