<p>Botter (Dutch for this specific vessel) on the IJsselmeer nearby Volendam.
</p><p>The Zuiderzee was a shallow inlet of the North Sea in the northwest of the Netherlands, extending about 100 km inland and at most 50 km wide, with an overall depth of about 4 to 5 meters and a coastline of about 300 km. It covered 5,000 km² (2,000 square miles). 
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In the 20th century the Zuiderzee was closed off from the North Sea by the 20 miles long Afsluitdijk constructed between 1927 and 1933 as a response to the flood of January 1916 (leaving the mouth of the inlet to become part of the Wadden Sea). The salt water inlet changed into a fresh water lake called the IJsselmeer.
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