古代,人们大多沿河而居,为了适应捕鱼和渡河的需要,便创造出最早的水上交通工具——独木舟。畜力车是随着对野兽的驯化而出现的。车子出现后,为了加快运输和减轻负荷,便产生了筑路的要求。春秋战国时期,秦国在秦岭地区开辟了著名的“金牛道”。秦始皇统一六国之后,大修驰道,并 In ancient times, most people lived along the river. In order to meet the needs of fishing and crossing the river, the earliest form of water transport, canoeing, was created. With the domestication of beasts, animal carts have emerged. After the appearance of the car, road construction requirements have arisen in order to speed up transportation and reduce the load. During the Spring and Autumn and Warring States Period, Qin State opened up the famous “Golden Bull Road” in the Qinling region. After Qin Shihuang unified the six nations, he made great repairs and