Ancient Longyou irrigation system gets world heritage status
Zhang Xiaofeng, director of Longyou county, receives the certificate from ICID in Saskatoon, Canada on Aug 14. [Photo/WeChat: weilongyou2014]
The 2018 International Conference and 69th International Executive Council Meeting of the ICID are held in Saskatoon, Canada on Aug 14. [Photo/WeChat: weilongyou2014]