Which of the following statement about Dujiangyan irrigation system is NOT true?
A.
Dujiangyan irrigation system is in Dujiangyan City, Sichuan, China.
B.
Dujiangyan irrigation system was originally constructed around 256 BC by the State of Qin.
C.
Dujiangyan irrigation system has been scrapped and become a famous tourist attraction.
D.
Dujiangyan irrigation system's infrastructure develops on the Min River, the longest tributary of the Yangtze.