Aarau is home to a special place of cultural interest consisting of a unique construction from the perspective of technology and industrial history: the Meyerschen Stollen, an underground water collecting system dating from the early 19th century.

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For more than 200 years, an extraordinary network of tunnels, chambers and shafts has extended under the city, constructed by the industrialist Johann Rudolf Meyer to harness hydro power. You can explore them and the new railway station on a guided tour.

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