Groninger Museum Professor van Giffen and the Secret of the Wierden 16 Dec 2005 9 Apr 2006 - with the launch of the Groninger Forum opening: Friday 16th of December, 16:00. The Wierden are artificial dwelling mounds from prehistoric times raised up to keep the water at bay.
Groninger Museum Professor van Giffen and the Secret of the Wierden 16 Dec 2005 9 Apr 2006 - with the launch of the Groninger Forum opening: Friday 16th of December, 16:00. The Wierden are artificial dwelling mounds from prehistoric times raised up to keep the water at bay.
