Crude Robot Runes Signal Impending Onslaught of D.C.

Wonkette omen operative "Jacklyn" sends us this photo and writes, "Does anyone know what these paintings are or why they are there? They are painted on streets all around the Mall… 3rd, 4th, and 7th, Streets NW at least." We have no clue but are willing to conjecture: In ten days, a race of oversized, porous ribbed condoms from Outer Space will destroy this city and rebuild it as five-star day spa. Any other theories?