Visit the fascinating exhibition about The Amsterdam Ordnance Datum and experience the centuries long struggle of the Dutch against the water.

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During Thursday`s night on 6th of december 2013 the sea level rose to 3,99 meters (about 13,09 feet) above NAP. It was the highest level measured since the disaster of 1953 , when the water reached a level of 4,55 meters (14,93 feet) above NAP, the dykes breached in many places and more than 1800 people drowned.