Spot the dot (it’s between the two lamp-posts and about a third of the way from the top).

Here is the observation team at work.
The mercury is falling because Storm Ciara is coming.
Admin1 is reading Breathe by Dominick Donald, a superb crime novel set in smog-bound London in 1952; appropriately atmospheric, convincing and beautifully written.
Admin2 is reading Fallen Angel by Chris Brookmyre.