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The braided stream bed of the Vjosa River, near its headwaters on the Albanian border with Greece. The river runs for more than 207 kilometers (169 miles) to the sea, unchecked by dams or any other hydropower projects. The river system, which includes tributaries, is part of the last major wild river in Europe. Because the river is unregulated, the gravel moves, allowing it to be transported downriver, changing the shape of the bed and providing spawning grounds for eels and aquatic species.