Engineering | Science | Technology on Instagram: "The Victoria Dam, Sri Lanka’s tallest dam, isn’t just a marvel of engineering — it’s a lifeline for power, irrigation, and flood control. 🌊 During heavy rains, its spillway gates open automatically, releasing thousands of cubic meters of water per second into the Mahaweli River below. This controlled surge protects the dam from overtopping, safeguards downstream communities, and keeps hydroelectric generation running smoothly. Witnessing the gat

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technologys on Instagram: "A dam blocks the natural flow of a river, causing water to collect and form a reservoir. This flooding changes the river's original shape and the surrounding landforms. Downstream, reduced water flow can narrow the river, alter sediment deposition, and reshape the landscape, leading to long-term changes in the river's natural topography."