How We Actually Know What Happened at Dujiangyan Irrigation System

How We Actually Know What Happened at Dujiangyan Irrigation System - a full evidence-led documentary about dujiangyan irrigation system for viewers interested in ancient history, archaeology, empires, and historical mysteries. Originally constructed around 256 BC by the State of Qin as an irrigation and flood control project, it is still in use today. In this video: Begun over 2,250 years ago, it now irrigates 668,700 hectares of farmland. King Zhao of Qin commissioned the project. The water management scheme is still in use today to irrigate over 5,300 km2 (2,000 sq mi) of land in the region and has produced comprehensive. King Zhao of Qin allocated 100,000 taels of silver for the project and sent a team said to number tens of thousands. Why it matters: Originally constructed around 256 BC by the State of Qin as an irrigation and flood control project, it is still in use today. That is the familiar version of Dujiangyan Irrigation System, and the real test is what survives to back it up. Begun over 2,250 years ago, it now irrigates 668,700 hectares of farmland. Most of what we know about Dujiangyan Irrigation System comes from building remains, written accounts and the landscape itself, and each has a blind spot: building remains show what was finished, not what was intended, while written accounts carry the interests of whoever wrote them. King Zhao of Qin commissioned the project. Authority becomes visible when orders turn into collected resources, standardized work, guarded space, repeated messages, or punishment that can be sustained over time. Sources and context: https://en.wikipedia.org/wiki/Dujiangyan Search context: dujiangyan irrigation system, dujiangyan irrigation, irrigation system, ancient history, ancient civilization, archaeology Subscribe for evidence-led ancient history with deeper context. #AncientHistory #History #Archaeology #HistoryFacts Image credits: Dujiangyan Irrigation System, by Gjl at English Wikipedia, CC BY-SA 3.0 - https://commons.wikimedia.org/w/index... Dujiangyan irrigation system, Sichuan, China.JPG, by Unknown, CC BY-SA 3.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan Irrigation System (50619502518).jpg, by Hugh Llewelyn from Keynsham, UK, CC BY-SA 2.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan Irrigation System map.png, by X ziomal X, CC BY-SA 4.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan Irrigation System (50620244551).jpg, by Hugh Llewelyn from Keynsham, UK, CC BY-SA 2.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan Irrigation System (50620353857).jpg, by Hugh Llewelyn from Keynsham, UK, CC BY-SA 2.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan Irrigation System (50619503328).jpg, by Hugh Llewelyn from Keynsham, UK, CC BY-SA 2.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan Irrigation System (50620354352).jpg, by Hugh Llewelyn from Keynsham, UK, CC BY-SA 2.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan Irrigation System (50619502968).jpg, by Hugh Llewelyn from Keynsham, UK, CC BY-SA 2.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan-Irrigation-System-TOUR-Map104.jpg, by Ihtc2015, CC BY-SA 4.0 - https://commons.wikimedia.org/wiki/Fi... Dujiangyan Irrigation System (50620353512).jpg, by Hugh Llewelyn from Keynsham, UK, CC BY-SA 2.0 - https://commons.wikimedia.org/wiki/Fi... QINGCHENG MOUNTAIN AND DUJIANGYAN IRRIGATION SYSTEM, by Mumu X, CC BY 2.0 - https://www.flickr.com/photos/4149286... Dujiangyan Irrigation System Gardens, by hugh llewelyn, CC BY-SA 2.0 - https://www.flickr.com/photos/5843330... Chapters: 0:00 The turning point has a backstory 0:19 Begin with place and chronology 0:47 King Zhao of Qin commissioned the project 1:15 The water management scheme is still in use today to i 1:46 King Zhao of Qin allocated 100 2:17 The levee was constructed from long sausage-shaped bas 2:47 On May 12, 2008, a massive earthquake struck a vast 3:06 In 1803 during the Qing dynasty a local man named He X 3:33 The west belongs to the southern section of Longmen Mo 4:05 The east is Chengdu Plain, with an altitude of 720 met 4:30 Name the open questions 4:54 Return to the opening clue