Any set of decisions about design is inevitably influenced by cultural prejudice, no matter how intent an architect might be to avoid it.

What a museum chooses to exhibit is sometimes less important than how such decisions are made and what values inform them. To have the crucial role of museum professionals usurped by self-serving tycoons in the name of economic imperative threatens not only the integrity of individual institutions but the very principle of art held in public trust.

Experimental architecture by its very nature is more prone to the depredations of time and natural elements than buildings made from conventional materials through traditional methods. Avant-garde architects often simply do not know how the products of their imagination will perform when implemented, especially if untested components are involved.

The truth be told, the World Trade Center was neither a very good work of architecture nor a very successful piece of urbanism. Its shortcomings were somewhat mitigated by the westward and southward expansion of the World Financial Center and Battery Park City during the 1980s.

As with many other folk beliefs, 'feng-shui' undoubtedly incorporates some scientifically correct observation or received wisdom based on direct experience of natural phenomena; but it needs to be dealt with skeptically as a credible system of thought. Some feng-shui prescriptions can certainly lead to desirable results.

There is no sadder tale in the annals of architecture than the virtual disappearance of the defining architectural form of the Modern Movement - publicly sponsored housing.

The work that launched Snohetta into the architectural big leagues was their Oslo Opera House, which will certainly rank among the firm's highlights whatever else they may do. Although this is by any measure a triumph of city planning, the building itself is not quite a masterpiece, though very fine indeed.