Around the world, rising food prices have made basic staples like rice and corn unaffordable for many people, pushing the poor to the barricades because they can no longer get enough to eat. But the worst is yet to come.

On the roof of the former prison, enterprising women prepare something that looks like biscuits and is even called by that name. The key ingredient, yellow clay, is trucked in from the nearby mountains. The clay is combined with salt and vegetable fat to make dough, which is then dried in the sun.