I recently watched my grandmother make bread in her clay oven, a technique passed down through generations in our family.

This is the only preserved ancient dragon kiln in Yixing ... It’s used to make urns, pots, basins, and glazed vessels. It's powered by fire, which lasts for three days once lit and can reach ...

However, like many other objects from Bar Hill fort on the Antonine Wall, this is a beautifully-preserved example of the type of metal pots Roman soldiers would have hung over a fire to cook food.