Photos like this can suck up an hour of my time. I just love looking at these. Click on it for a larger version.
This shows a scene at 15th and Pennsylvania in 1919. In the background you’ll see the old Riggs Bank building, which is still there, but now the PNC Bank building.

Source: Shorpy
This almost looks like it was part of the same batch that you posted on the 4th at the corner of F. It has hazardous streets after snow/ice, soldiers, and is just down the block.