ThecityofYangzhoucameintobeingattheSpringandAutumnPerio...
問題詳情：ThecityofYangzhoucameintobeingattheSpringandAutumnPeriod(about500AC)thekeytransportationlinkatjoint(連接處)placeoftheGreatCanal（運河）(Beijing-Hangzhou)andChangjiang(YangtzeRiver),Yangzhouhasbeen...