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.
Food is a shared necessity -- but also a shared way of thinking,
argues Carolyn Steel. Looking at food networks offers an unusual and
illuminating way to explore how cities evolved. (Filmed at TED)