Swedish dams, some which are 100 years old already, are getting upgraded. This example, on a 50 year old dam, is supposedly prolonging the lifetime by 100 years.<p>In Swedish: <a href="http:&#x2F;&#x2F;www.entreprenad.com&#x2F;kategorier&#x2F;alla&#x2F;rekorddamm-far-100-extra-ar&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.entreprenad.com&#x2F;kategorier&#x2F;alla&#x2F;rekorddamm-far-10...</a>