Any idea what this is:
How about this?
It’s an interactive map (sadly not embeddable), produced by the Bombsight Project, showing every documented bomb strike in the London blitz between October 7, 1940, and June 6, 1941. The project is a joint effort by the University of Portsmouth, the UK National Archhives, and a charity called JISC.On the actual map (but not the screenshots above), viewers can zoom in on a particular dot, then right click for the details:
Now let’s see the map for Dresden.