Octagon Room with ball on top
Ball rising for 1 PM ball drop
Ball at the top, ready for 1 PM ball drop
... the ball drop complete. How come the timestamp on the images is 12:58? I guess the clock is wrong on the camera!
The Prime Meridian
Public Standards of Length
London, River Thames, National Maritime Museum (foreground left), Queen's House (foreground middle) from Observatory
All pictures available in hi-res versions. Just ask.