Landmark "Tiger & Turtle - Magic Mountain" by Heike Mutter and Ulrich Genth, walkable sculpture in the shape of a roller coaster, on the Halde Heinrich-Hildebrand-Höhe heap, Angerpark, Duisburg, North Rhine-Westphalia, Germany, Europe, PublicGround

art artwork atmospheric backlight backlit big clouds cultural culture curves evening evening atmosphere evening sky german incidental people loop low angle view low angle view modern modern art mood object of art outdoors roller coaster ruhr district sculpture shape silhouette sky stairs unusual visitors walkable