The German town of Andernach uses its public spaces to grow fruit, vegetables and herbs that anyone can pick free of charge. It's also a social project that has given some residents a new purpose in life. So what would it take to turn your home town into an edible one? (This episode has been republished and updated)
Andernach's city center has fruit and vegetable gardens that anyone can harvest for free. By making edible plants a feature of public space, this town is trying to change the way locals think about their food.