The Roman-Catholic parish church of St. Albert’s is located in the district “Betzenhausen“ in the western part of Freiburg. It was built from 1967 to 1969. The building looks like it was folded in an Origami-like way. The walls and the roof were constructed from just two types of prefabricated concrete elements. The walls are constructed from acute triangles. The roof is constructed from folded squares. From the outside, the building is supposed to look like a crown. But the local people have their own special name: Lemon Squeezer Church.