Right now we own about 350-plus buildings, and we tier those assets based on a number of different criteria, but certainly greening capability, the ability to green that infrastructure, is one of those major factors that we look at in a future investment decision.
If a building that we look at is just impossible for us to rehabilitate.... Now, there are other factors around heritage, etc. that would have to be taken into consideration, balanced and weighed across those factors, but what we're finding is that we would move buildings that require a lot of investment, which are office towers that are available in the market, and would shed those assets or recommend that we dispose of those assets, but we don't make those decisions. We usually go to—