Carolyn Steel: How food shapes our cities

Every day, in a city the size of London, 30 million meals are served. But where does all the food come from Architect Carolyn Steel discusses the daily miracle of feeding a city, and shows how ancient food routes shaped the modern world. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world s leading thinkers and doers give the talk of their lives in 18 minutes. TED stands for Technology, Entertainment, Design, and TEDTalks cover