Rjukan is a town (population 3,400) in the Tinn municipality of Telemark, Norway. The town was founded in 1908 by Sam Eyde, who started the plan of building a city from scratch, after buying the renowned Rjukan waterfall to make electric power for fertilizer production. The Rjukan-Notodden Industrial Heritage Site is on UNESCO's World Heritage list since 2015.
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