Kayvan Karimi and Chris Choa, architects and urban designers from London, debate the walkability, wayfinding and experience of organic street networks vs. Cartesian grids - a podcast by AECOM

Barcelona, London and New York are often singled out as some of our favourite places to live and visit. They share a number of common traits such as being described as a connection of distinct but easily walkable villages. Recorded on a recent visit to London, James meets Kayvan Karimi from Space Syntax and Chris Choa from AECOM to discuss how people move around cities, how technology is being used to influence design and transit planning and the impact on liveability.