How are transit operators working to ensure rider safety when using public transport? We are in Canada to find out. Plus: an architecture film festival in Helsinki and a public debate on the lessons that our terrestrial cities can learn from space colonies.

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