Hosting the Olympic and Paralympic Games can be a great catalyst for urban transformation. This week we report from the French capital as it plays host to the world to find out more about its green initiatives, housing policies and sustainable architecture. Plus: what sort of city will be left for Parisians once the Games leave town?

A bridge designer’s guide to connecting communities
29:40

Tall Stories 505: Linz’s Grottenbahn – a dreamland surrounded by history
05:51

How major events have influenced Milan’s urban infrastructure
30:53