Usually when you run on the national mall in Washington DC, there are dozens of other runners out there with you. I don't know why, but not tonight.
It wasn't that cold; 32° is lovely for running. The park service plows the paths so after a snow fall, it's one of the only off-road paths that's certain to be cleared. The mall was in pretty good shape tonight (packed snow and gravel, no ice) but only a few hardy tourists milled about among the office workers hurrying across the mall to the metro.
When I say the mall was desolate, I mean that I only counted 6 other runners.