Lac des Dix. The mountains in the background, from the left to the right, are the La Luette (3548 m), the La Sâle (3646 m) and the Rochers du Bouc (3314 m), with on the right of this summit the Glacier des Ecoulaises. The slope on the left belongs to the Pointe de Vouasson (3490 m), on the right one can find the Mont Blava (2932 m).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/69047098@N00">Jess &amp; Peter</a> from Geneva, Switzerland
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/69047098@N00/1408351641/">Grande Dixence dam</a>