A scene of distant Union flags blocked by barriers. Maybe Regents Street is offering a metaphor for revised arrangements after a Brexit?
More likely it's just London digging up its roads again. Toward Oxford Street there's early notice that the area will be will be closed at the weekends during the summer.
Back at Downing Street, it's the quiet before everything kicks off later this week.
Yes, London is preparing for the global TV event accompanying the referendum as an improvised media village assembles opposite the Palace of Westminster.