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 504: Caracas’s El Helicoide – from mall to political prison to rebirth
06:10

Breaking ground or breaking promises? New York mayor Zohran Mamdani’s first 100 days in office
37:20

Tall Stories 503: The Sámi Cultural Centre in Finland and its impact
05:32