St Paul's Cathedral rises above the bombed-out ruins of London during the London Blitz during WWII. Paul's survival was an icon to the London people, as it was shown that they would not be beaten by the tyranny of Nazi Germany.
This is the photo that would trigger vertigo in most people! A workman perched atop this shaky chimney, all that is left of the building, is chipping away with a hammer. London during the Blitz, The question is: how did he climb up there?