Shock – some innovation in mapping which doesn’t come from Google! Head over to this aerial photo of Westminster Abbey and mouse over it. This trick appears to be the dynamic updating of the CSS clip property, so it’ll work in most modern browsers.
By the way, I’m singing Evensong there today at 3pm with the Friends of Morland Choristers Camp if anyone wants to stop by. The anthem is “Greater Love” by Ireland, and the Magnificat and Nunc Dimittis are Bairstow in D.