Haus Vaterland metres deep, panoramas, and lighting effects, and served appropriate food; it was an early example of modern theme dining or experiential gastronomy. While the main shows took place in the ballroom, each theme restaurant also had musicians of the appropriate origins on staff to complete the dining experience, including at least six dance bands. A central kitchen occupied the entire top floor, connected to the different dining establishments by pneumatic tubes, through which orders came up, and dumbwaiters, by means of which food was sent down and dirty dishes sent back up; conveyor belts at kitchen level transferred the dishes
Kitchen to cook side dishes and as a heat source. The kitchen remained largely unaffected by architectural advances throughout the Middle Ages; open fire remained the only method of heating food. European medieval kitchens were dark, smoky, and sooty places, whence their name ""smoke kitchen"". In European medieval cities around the 10th to 12th centuries, the kitchen still used an open fire hearth in the middle of the room. In wealthy homes, the ground floor was often used as a stable while the kitchen was located on the floor above, like the bedroom and the hall. In castles and monasteries, the