The harbour, the parks nearby, the fortress and Myllysaari beach are a perfect place to chill out in summertime, sitting on the terraces, drinking, eating and watching the boats and things that happen. Live music played on many summer days. Early in August there is a popular festival called "Linnoituksen yö" (Engl. The Night of the Fortress) in the harbour and fortress area.
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The biggest one in Scandinavia. Each summer an ever larger sandcastle is built by artists on the northern end of the harbour area. Each year they have a different theme and make sculptures on the walls of the castle accordingly. There is a small theatre inside the castle playing acts intended mainly to children and families.
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