宋代  (?～1135 AD)

 travel register： 《宣和乙巳奉使金国行程录》 Read works of Xu Kangzong at 旅游地理

　　Vision and 7 years (AD 1125) were ambassador Xu Kang Jin came back, wrote a book, "Ancient Korea trip recorded" widespread in the Song Dynasty. This book chronicles when Hsu's mission to "self-Xiong Zhou till Jindi Huining Prefecture of the city in 2750," a detailed itinerary, a starting point for its 33-way is "Yellow Dragon House" to "Jindi the will Huining Prefecture "There are eight-way, 500 miles. According to "Building Department of inflammation has been recorded on to," Kang Hui were killed Shaoxing five years (AD 1135), at this time Jinghu Zhizhi Shi Yue Fei is working hard to operate two lakes, in preparation for the Northern Expedition, which from the said out, "leading to Huanglong" words, there is still five years.