Hydroelectric Power Station (Stock Footage)

Hydroelectric Power Station (Stock Footage)

Dam on the Douro river with 48m high, inaugurated in 1976, downstream of the Cachão Valeira, about 6km upstream of the River Tua. The dam includes a sluice with 33m gap that allows the passage of cruise ships and other vessels in the Gaia course – Alva / Vega Terron. Portugal

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