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

China is building the world's biggest hydropower dam - BBC World Service