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WATCH: Water in Dukan Dam reaches bell-mouth spillway for first time in 31 years
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Watching this 'dam hole' video may be the most enjoyable thing you do all day - The Washington Post
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Bell mouth spillway -Fotos und -Bildmaterial in hoher Auflösung – Alamy
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Drone13: Lake Berryessa Bell-Mouth Spillway | Water is spilling over the bell-mouth spillway at Lake Berryessa. We flew Drone13 over the drain to show you what it looks like inside. Recently a