We look at the legacy left by Milan’s Expo 2015 and the Olympic Winter Games on urban infrastructure. Then: Ottawa’s winter-transport report. Plus: Hong Kong’s plans to develop 120 hectares of protected wetlands.

Arup at 80: Design for what’s next
29:59

Tall Stories 508: Inside Jaipur’s traditional enclosed bazaars
06:02

Old and new: How to build a neighborhood and reinvent a historic one
30:14