How China Raised an Entire River ABOVE the Drowning Cities - Yellow River
Extreme Engineering
0:00 / 0:00
How China Raised an Entire River ABOVE the Drowning Cities - Yellow River
688 просмотров · 3 дня назад
Extreme Engineering
23 подписчика
688 просмотров · 3 дня назад
Imagine a city of millions living beneath a river, where the rooftops are below the waterline. This is the reality for Kaifeng, China, sitting in the shadow of the Yellow River. For centuries, engineers fought the muddiest river on Earth with walls of earth, building a 1,400-kilometer water tower held by nothing but packed silt. This strategy created an accidental suspended river, a landscape that buried cities and gave empires a weapon to drown their enemies.
The story involves a catastrophic wartime flood that killed hundreds of thousands, a Soviet-designed dam that nearly destroyed a valley by silt, and a radical new plan. Engineers stopped trying to hold the river and started commanding it. Today, they schedule artificial floods, using the river's own violence as a shovel to carve its bed lower, a feat once thought impossible. But the method relies on perfect timing and a delicate balance of physics. What happens if the calculation is off by just a few hours? This is the history of China's war with its most dangerous river, and the surprising way it might finally be winning.
#YellowRiver #ChineseEngineering #SuspendedRiver #HydroEngineering #Kaifeng #WaterManagement