#FunFactTuesday: Did you know…? Grande Dixence gravity dam in the canton of @valaiswallis is not just the highest i… https://t.co/sTbEdDOtY9
![](http://pbs.twimg.com/profile_images/776683031985811456/ipoNaX4a_normal.jpg)
#FunFactTuesday: Did you know…? Grande Dixence gravity dam in the canton of @valaiswallis is not just the highest i… https://t.co/sTbEdDOtY9
Source: スイス観光
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