Münster

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  Aasee (Aa Lake)

  This artificial lake at the periphery of the city is a popular local recreation area and a favorite spot for aquatic sports. During the summer months, a waterbus stops at major attractions.

   

Rostock

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  Alter Strom (Old Channel)

  Alter Strom—the old channel used for nearly 500 years but closed off in 1903 when the new channel was widened.