Cleveland's Public Square, VR Coasters, Pokémon GO

Augmented reality, virtual reality and the future of the city: Cleveland's historic Public Square is remade, just in time for speakers not invited to the Republican National Convention. To revamp an old coaster, just add VR goggles. What does the success of Pokémon GO tell us about future cities created by techies? 

Host Frances Anderton looks at design and architecture from a Los Angeles perspective.