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.

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