Down and Out in DC

Noticing the odd fillable gap as I look back through my blips, not sure how I managed to miss blipping one of the two days we spent in DC.

I took lots of nice shots of big, old whire buildings, including one where some guy named Obama lives.
You've all seen that stuff a thousand times though, so here's a pic of the trippy looking subway, which maybe a couple of you haven't.