Minnaert Building, University of Utrecht.                                   Architects: Neutelings Riedijk, Rotterdam.

Astronomy and Mathematics Department.  65 painted Doors.

Arranged over the five floors of the building, each door represents 1/65 th  of a puzzle based on the architectural plan of the university . It is not possible to see the work as a whole but a clue to it’s relevance is in the use of the distinctive colour of the exterior of the building.