Every day, in a city the size of London, 30 million meals are served. But where does all the food come from? In this TED talk Architect Carolyn Steel discusses the daily miracle of feeding a city, and shows how ancient food routes shaped the modern world.
In Carolyn Steel's opinion, food is a shared necessity, but also a shared way of thinking and by looking at food networks we can learn how cities evolved.
You can read the full transcript for the talk here.