Paving ground tiles are a type of ceramic or porcelain tiles designed for outdoor use, commonly used in pathways, driveways, and patios. The '10x20' refers to the size of the tile, measuring 10 inches in width and 20 inches in length. These tiles are known for their durability and aesthetic appeal, coming in various designs and colors. To view images of such tiles, you can search online for '10x20 paving ground tile images' or visit home improvement websites that showcase different tile designs.