25 Best Things to Do in Dortmund (Germany) - The Crazy Tourist
https://www.thecrazytourist.com/25-best-things-dortmund-germany/
WEBJan 26, 2020 · Once powered by heavy industry, Dortmund, the largest city in the Ruhr area, is now a high-tech manufacturing city. The old mines, steelworks and breweries are now kept as colossal monuments to the booming post-war period, and sites like the Zeche Zollern colliery still have their enormous steam turbines and fine Art Nouveau architecture.
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