163. Wien, Haas-Haus am Stephanplatz

Dear Johann,

"The shape of the building doesn't
develop out of the material condition
of its purpose. A building shall not
show its purpose. It is not an
expression of structure and
construction, it is not an enclosure or
refuge. A building is itself. Architecture
is without purpose. What we build will
find its usefulness."
(Hans Hollein 1963)

The Haas House in Vienna, in whose
facade one can see the mirror image of
St. Stephen's Cathedral, was designed
by architect Hans Hollein in 1989. The
building follows the line of ancient fortified
walls around the Roman camp on which
the building stands.