That's a very good question. Two things should be mentioned.
It's important to point out that various topics can be covered at various locations. For instance, you talked about Louis Riel, whose story can be told at a number of Canadian sites.
However, I must also say that this is not just a matter of interpretation panels. We think that new technologies create opportunities for using different tools to provide additional information related to the history of a site. That's something we are currently looking into.