It's interesting, in the U.S. system it's the government that maintains the control over where the regulation of those buildings takes place. Usually that's at the local level through local planning district commissions, historic district commissions, and city councils and the like. The National Park Service, which is our national organization on the government side, sets the standards for that kind of work. It also reviews the tax credit projects. In our system, we're more of an advocacy group and the government does the regulatory work.
In terms of façadism and how buildings should be rehabilitated, I'm of the belief that we have a whole range of buildings that we would benefit from keeping. Do we need to keep every piece of every building? No. I think that because of environmental, economic and social needs, there's value in keeping those buildings in place. There's value also in dealing with rehabilitation work at different levels for different types of buildings.