Free high resolution close up photo of red flagstone blocks. Flagstone is a sedimentary rock that is split into layers. This picture shows blocks of red flagstone laid out in a brick like pattern. It’s actually from a walkway, though it looks like it could be a wall with no mortar. Great background, wallpaper, or texture image for a website, blog, computer, phone, scrapbooking or Photoshop. Free image for any use.