The famous Renaissance architect Alberti perceived a colonnade as a vir-
tual wall: ‘a row of columns is indeed nothing but a wall, open and discon-
tinued in several places’.^5 Such a reading can be appreciated when
observing the interior columns at the Public University of Navarra,
88 STRUCTURE AS ARCHITECTURE
0 5 10 m
1
2
Central atrium
Gallery
1
2 2
▲5.14 Contemporary Art Wing, Hamburg, Germany, O. M. Ungers, 1996. Building
exterior.
▲5.15 Simplified ground floor plan.