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在神秘的北纬30°线北侧,地球经历了从46亿年前到距今170万年前三次全球性的大冰川运动,终于在中华腹地挤压出了一个巨大的褶皱地,这就是秦巴山地。它包括今天陕西的汉中、商洛、安康,重庆的万州,四川的达州,湖北的十堰和神农架、河南的部分地区等。汉水沟通东西,但南北交通不便,古人为了实现南北互通,就在秦岭、汉水、大巴山上开辟了几十条通道,褒斜道、故道、傥骆、子午、荔枝、文川、金牛、米仓、阴平,都是横跨秦岭诸道。大巴山中的古盐道就是中华腹地的一条“丝绸之
On the mysterious north side of 30 ° north latitude, the Earth underwent three global glaciers from 4.6 billion years ago to 1.7 million years ago. It finally squeezed out a huge fold in the hinterland of China. This is Qin Bashan. It includes Hanzhong, Shangluo, Ankang in Shaanxi, Wanzhou in Chongqing, Dazhou in Sichuan, Shiyan in Hubei and Shennongjia in Hubei, parts of Henan and so on. Han River to communicate things, but the north-south traffic inconvenience, the ancients in order to achieve interoperability between North and South, on the Qinling Mountains, Han River, Daba Hill opened up dozens of channels, praised ramp, old road, Luo, meridian, lychee, Wenchuan, Taurus, Rice warehouse, Yin-Ping, all across the Qinling Mountains Road. Daba mountain ancient salt road is a hinterland of China ”Silk