四川地处中国腹地,以前和外界的交通非常不便。别的可以自给自足,但盐却是不可或缺,海盐运进来成本太高,因此四川过去向来食用井盐。为了汲取深藏在地底的盐卤,挖井技术也有了极大发展。正因为盐是必需品,所以拥有盐井就相当于有了个聚宝盆。清朝乾隆年间,自贡有一家姓胡的盐商,家里有三口盐井,积聚了相当的财富。胡家人丁兴旺,胡老爷生了四个儿子,就想着再挖一口,将来也好传给四个儿子。胡老爷请来了一个很有名的挖 Sichuan is located in the hinterland of China. Before, traffic with the outside world was very inconvenient. Others can be self-sufficient, but salt is indispensable. The cost of entering the sea is too high. Therefore, Sichuan used to have salt well. In order to draw deep brine in the ground, digging technology has also been greatly developed. Because salt is a necessity, having a salt well equals having a cornucopia. Qing Emperor Qianlong years, Zigong has a salt surnamed Hu, there are three salt wells at home, has accumulated considerable wealth. Hu family Ding Xingwang, Hu master gave birth to four sons, would like to dig another, in the future pass to the four sons. Hu master invited a very famous dig