One of the world's largest underground spillways built to prevent flooding
Metropolitan Area Outer SpillwayI have been inspecting.
It is about 6.3 km long, and it is set up at a point about 50 m directly below National Highway 16.
Underground TempleCalledPressure control water tankUntil,
There were no elevators or escalators, so we had to go down about 100 stairs to visit.
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