Another late post; sorry, friends
As a last hurrah, my Chengdu host family took me on another excursion to UNESCO World Heritage Site and famed Daoist mountain, Qingcheng. It’s somewhat ironic I finally get to posting these. 都江堰 Dūjiāngyàn, just outside of Chengdu, has a spectacular gorge, much like the one currently experiencing an Armegeddon-level blaze in my homeland.
The dam, called Dujiangyan, defines Sichuan’s modernity and is largely responsible for allowing its agricultural prosperity and the relaxed culture that arose from its food stability. Built in 256 BC (a long time ago) under the leadership of municipal governor Li Bing , the dam is a revolutionary marvel of hydraulic engineering.
The capital of Sichuan, Chengdu, occupies a plain between several mountains. In old times, torrential rain and floods plagued the region, destroying cities and crops. Li Bing was tasked with stabilizing the area to support military and civilian goals in the area, and discovered the flooding was caused by the silty build up once the waters arrived to the flat terrain. Sediment-laden mountain flows streamed into rivers, which then erupted over the plain.
To prevent flooding, Li Bing’s workers constructed a massive levee to part the rivers, redirecting some of the river to irrigate the land and the other half to drain the excess water to flow away from the populated plain. The dam is remarkable for several reasons: Instead of blocking the river and harming the wildlife in it, the Min river still freely flows, just in several tributaries. Secondly, to alter the course of the river, Li Bing had to channel the flow through the mountain.
In a period where gunpowder was not invented yet, Li Bing bore a 66 foot wide path through the mountain. Alternating with scalding water and freezing water, the rocks slowly fractured and made way. The process took eight years, and during that time, Li Bing was isolated and prohibited from having any contact with his family. Makes me pretty glad Peace Corps service is only 27 months. Dujiangyan is still used today, a wonder that is extremely fascinating to me.
Unfortunately, we didn’t have the opportunity to visit the actual levee, but we did spend a lot of time around the mountains. Here are some photos.
The front of the mountain is famed for its Daoist temples, but the backside of the mountain is famous for the waterfalls and its hiking opportunities.