PRESERVATION
Why do we renovate, restore, or otherwise preserve old buildings after they have become functionally obsolete? One reason is practical—the building is in good enough shape to be still useful, even in an altered state, or for a different purpose than originally intended. The second reason is cultural. Perhaps the building was once the home of an important figure—Mozart’s house in Vienna, for example, or Washington’s Mount Vernon—or maybe it was the site of an important event such as the signing of the Declaration of Independence. The third reason is aesthetic: the building is beautiful and incorporates artistry and craftsmanship that have made it the object of our affection.