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?

North America’s fastest-growing city: How Toronto is taking shape
29:19

Tall Stories 496: Villa Beer – a modernist monument in Vienna
06:40

How Santo Domingo’s old town is attractive for both residents and visitors
31:57