Baihetan Dam plant in the world, after the Three Gorges Dam. When finished, it will be the third largest dam in China and the fourth in the world, in terms of dam volume. Construction on the dam began in 2008 and is expected to be complete in 2021. Baihetan Dam The Baihetan Dam () is a large hydroelectric dam under construction on the Jinsha River, a tributary of the Yangtze River in Sichuan and Yunnan provinces, in the southwest of China. The dam is a 277 m tall double-curvature arch dam with a crest elevation of 827 m. Its width will be
Ziz Gorges Ziz Gorges The Ziz Gorges are a series of gorges in Morocco on the upper course of the Ziz River. They are defined by two gates at the southern and northern ends. At the southern end is the Hassan Addakil dam and lake. Nearby is the Tunnel de Légionnaire built by French colonial troops in the 1930s in order to create a passageway to the Ziz Gorge. The gorge was formed by the Ziz River cutting through the Atlas Mountains. Ancient fossils are commonly excavated and sold in the area. For centuries, the gorges have formed part of a traditional