We visit the Smart City Expo World Congress in Barcelona to talk shop with the mayor of Kuala Lumpur, an acclaimed futurist, a transportation official from Los Angeles and the event’s director.

Tall Stories 497: Maracaibo's modest Metro system
04:26

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