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Guerlédan 2015 : Construction of the dam and emptying of the lake

2015 • 10m • Documentary

The construction of the Guerlédan dam lasted seven years (from 1923 to 1930). Placed on the waters of Blavet, it is 45 meters high and retains a volume of 55 million m3 of water over an area of ​​400 hectares, thus formi...