Copper tiles have been used in ancient kitchens to create a warm and luxurious backsplash. These metal tiles, often in a hammered or embossed finish, added a touch of elegance and sophistication to the kitchen. Copper tiles develop a natural patina over time, giving them a unique and aged look. The warm tones of copper create a cozy and inviting atmosphere in the kitchen, making it a popular choice for ancient kitchens.