When turning or walking around the ball, new discoveries about figures or customs related to Walberla open up to the viewer. The ball is thus experienced by reading.
<a href="//commons.wikimedia.org/w/index.php?title=User:Manfred_W%C3%B6rner&amp;action=edit&amp;redlink=1" class="new" title="User:Manfred Wörner (page does not exist)">Manfred Wörner</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>