Monocle’s Carlota Rebelo reports from the World Economic Forum’s Urban Transformation Summit in Detroit. We hear about a new innovation district in Milan, Boston’s 24-hour city ambitions and the master plan for AlUla in Saudi Arabia. Plus: creating pocket forests and mobility in San Diego.

Tall Stories 511: 50 years of London’s Undercroft Skate Space
04:57

How Sweden’s ‘fika’ mentality can improve city planning
30:22

Tall Stories 510: Exploring Taiwan’s flying-saucer ghost town
06:29