Invention on Instagram: "Copper chimney hot pots are a traditional cooking vessel with origins tracing back to the Yuan and Ming dynasties. Their distinctive shape features a tall central chimney surrounded by a circular broth chamber. Charcoal burns inside the chimney, creating strong, even heat that brings the surrounding broth to a rolling boil. This clever design allowed cooks to achieve high temperatures without large amounts of fuel, which made the hot pot both efficient and dependable in