Run Forrest, Run! Race the Circle Line from Mansion House to Cannon Street! This reminds me of the Hungarian film Kontroll (Control), which you can watch with English subs here. It is also an organic follow up to our earlier posts Underground Clubbing and Run Walter, Run!
If you have a business in London, with this huge and extra detailed panorama picture you can check whether your employees were working at the time it was taken. Similarly, you can check what your spouse was doing at home.