秦末,楚王项羽和汉王刘邦在河南荥阳的广武山上下了一盘实战象棋。这一场享誉中外的战事让荥阳有了一条不可逾越的鸿沟——东边霸王城,西为汉王城。而这条鸿沟,也正是后来中国象棋棋盘上“楚河汉界”的由来。然而,尽管楚汉在军事上以此沟为界而相互对峙,但因为当时的中国还没有严格的户籍管理制度,布衣百姓们依旧可以在两地自由迁徙而丝毫不受任何政治上的影响——人们耕作、贸易、繁衍后代。百年、千年之后,尽管那条鸿沟早已成为历史,但人们没有约束的南迁北徙的生存方式依旧没有改变,无论是战争年代还是太平盛世。一直到1 958年—— At the end of the Qin Dynasty, Chu Xiang Xiang Yu and Han Wang Liu Bang in Henan Wuyang Guangwu Mountain up and down an actual combat chess. The war that has enjoyed a reputation both at home and abroad has given Leiyang an insurmountable chasm - King City in the east and Hanwang City in the west. This gap, it is also later on the Chinese chess board “Chuhe boundary” origin. However, although the KMT and the KMT militarily opposed each other with the groove as the boundary, since at that time China did not have a strict household registration management system, the common people could still freely move around without any political influence - - People cultivate, trade, multiply offspring. After a hundred years and a thousand years, although the gulf has long been a thing of the past, the unmanaged survival mode of the southward migration of the south has remained unchanged. It is neither the war years nor the peace and prosperity. Until 1958 -