Each second through hole in the river bottom merges at about 1130 cubic meters of water.
When large dams due to heavy rainfall the water level rises, it has to drop that she began to literally overflow, which can lead to very dire consequences. If a little to distract from the scale of such internal spillways are somewhat similar to an ordinary drain in the bathroom, but now shooting with the drone allows us to feel the true dimensions of what is happening.
In California after a long drought, it finally rains, and in large quantities, so the spillway on the dam NAPA of Monticello is working in emergency mode, struggling with rising water levels. Each second through hole in the river bottom merges at about 1130 cubic meters of water. That’s why, when working the spillway, next to him close the road, and usually not allowed to use drones in the vicinity of the drain.
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