Tower Bridge is used by over 40,000 people and nearly 21,000 vehicles everyday. But, I wonder how many people have spotted this little oddity on its north approach.
At first glance it appears to be one of the many lampposts that line the approach to the bridge, but without its lamp.
But it isn't.
It is, in fact, a chimney.
But why is the chimney here, on the northern approach road?
To find out more we need to travel back to 1894, when the bridge opened.
