Once the long river is opened, it will be nine days of the demise of the Sui Dynasty. What do you mean, the dragon boat won't come back before the silver sail falls?

The construction of the Grand Canal in Yang Di consumed a lot of manpower, material resources and financial resources, which led to the poverty of the people, and the rebels set off a wave of overthrowing the rule of the Sui Dynasty.

In order to show off his great achievements in digging the Grand Canal to facilitate transportation, Emperor Yang Di took hundreds of officials and concubines on a boat trip. As a result, he died on the road before the end of the luxurious journey.