19 Replies to “Contest #157”

  1. Grande Dixence Dam in Switzerland – about 20 miles NE of the border tripoint of Switzerland, Italy, and France.

  2. The Grande Dixence Dam, it is a concrete gravity dam on the Dixence River at the head of the Val d’Hérens in the canton of Valais in Switzerland. At 285 m (935 ft) high, it is the tallest gravity dam in the world and is part of the Cleuson-Dixence Complex.

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