I Yang Guang built the world-famous Beijing-Hangzhou Grand Canal.

Second, he was one of the few emperors who visited Zhangye in Gansu in the history of China.

Third, establish a tribute system that has a far-reaching impact on future generations.

Four or three Koguryo certificates, although most of them failed, also proved that Yang Guang was far-sighted.

Fifth, smooth the Silk Road again.

Hand answer, I hope the landlord will adopt it! !