At first I thought it was the council massing on top of Burlington House, preparing to throw themselves off after hearing that the recession had put paid to the great DTIZ redevelopment plans. On closer inspection, it transpired to be the Fire Brigade, or similar, practicing abseiling.
First pair over the top:
First pair on the way down:
Next pair on the way down:
More pics on my fotopic site:
http://shipsintheportofdover.fotopic.net/c1601941.html