Looking upwards in the Maria-Magdalena-Church in Freiburg one can see (on a sunny day) the broken shadows that dance along the tilted walls.
As the walls are not only tilted outwards, but also not straight along the side of the room the shadows become even more interesting
A architecture bureau based in Cologne drafteded the plans for this building:
Kister Scheithauer Gross, Köln
(their hompage is avaiable in German and English)
Location: Freiburg, Germany