Contest #157 hint
How to Play
To participate, just make your guess in the comments section for each photo. Guesses will be held until the end of the contest, when they will all be made public. Anything and everything is fair game for getting a correct answer. Each contest will last one week, starting on Friday. Each Wednesday at 0:00 hrs GMT a hint will be published. If you submit a correct answer before the hint is out, you'll earn an extra point, so submit your guess as soon as you have an idea.
Grande Dixence, Swiss
Comment by Sanghoon Han | September 29, 2010
That would be the Grande Dixence dam in Switzerland–one of the world’s tallest dams. Holding back Lac des Dix.
Comment by alyca | September 29, 2010
Grande Dixence Dam
Comment by Neil | September 30, 2010