Kalundborg is a town located on the western coast of Zealand, Denmark. It is known for its unique industrial symbiosis, where different companies collaborate to use each other's by-products, reducing waste and improving efficiency. This innovative approach has made Kalundborg a model for sustainable development. The town has a rich history, dating back to the Middle Ages, and features notable landmarks such as the Kalundborg Church with its distinctive five towers. Kalundborg also serves as a port, facilitating trade and transportation, and is surrounded by beautiful natural landscapes, including beaches and forests.