徐霞客从二十二岁起，就不事他业，奔波于大江南北，特别在年过半百以后，还连续四年多漫游于南方广袤大地，创造了不朽的探险考察业绩。 在三百年前的封建时代，大多数地区交通阻隔，信息闭塞，在远离城镇的地区和西南区域，到处是穷山恶水，地脊人稀，旅行条件极其恶劣。徐霞 Since the age of twenty-two, Xu Xiake has been doing business all around the world. After traveling for more than half a year, Xu Xiake has roamed the vast expanse of the South for more than four consecutive years and created an immortal exploration and inspection performance. In the feudal era three hundred years ago, traffic was blocked and information was blocked in most areas. In areas far away from cities and areas in the southwest, there were lots of poor mountains and water, sparsely populated terrain and extremely bad traveling conditions. Xu Xia