First choice quality 3D screen Saver! Billant in colours and sound. Ideal for relaxing! This screensaver shows you one of the most famous windmills in Germany. The windmill Proud Johanna by turns of day and night. An idylle with grazing cows, trees with leaves moving in the wind and changing camerapositions. The model of the windmill is based on the real Johanna wich is situated in Wilhelmsburg, a part of the city of Hamburg (Germany)