Event: ADB Data Room: Nature-Based Solutions [VIDEO] Applying Ancient Wisdom to Disaster Risk Mitigation 20 August 2020 View Document Built in 256 BC, the Dujiangyan system harnesses the power of nature to irrigate farmlands and prevent floods in the People’s Republic of China. Disclaimer The views expressed on this website are those of the authors and do not necessarily reflect the views and policies of the Asian Development Bank (ADB) or its Board of Governors or the governments they represent. ADB does not guarantee the accuracy of the data included in this publication and accepts no responsibility for any consequence of their use. By making any designation of or reference to a particular territory or geographic area, or by using the term “country” in this document, ADB does not intend to make any judgments as to the legal or other status of any territory or area. Download Topics Environment