What are these mysterious pavement markings? Photo by Hannah Foulds.

What are these mysterious pavement markings? Photo by Hannah Foulds.

Joolz Guides are bite size videos about uncharted spots in London, presented by award-winning filmmaker Julian McDonnell. Here he explains how pavements came to exist in London.

Julian has his own website http://joolzguides.com/ – full of bite sized video guides to London. We have more videos from him in the coming weeks!

Original music by the marvellous Terry St Clair.