“Tiger & Turtle – Magic Mountain is the name of a huge sculpture by Heike Mutter and Ulrich Genth being built in the south of Duisburg as a stunning new landmark for the Ruhr region. Resembling the shape of a rollercoaster, the sculpture will be located on Heinrich-Hildebrand-Höhe in the Angerpark, which opened in 2008. … More germany. duisburg. tiger and turtle – magic mountain.