From Concept to Creation is the website where information can be obtained about the background of this amazing project.
Extreme Craft posts this:
Joanna Lopianowski-Roberts is clearly touched. Think of the craft project that you spent the longest on. I once spent a solid month doing a single ceramic piece, and felt preeeeeeetty pleased with myself. Ms. Lopianowski-Roberts, a resident of Junction, Texas, spent a whopping 2,800 hours (over ten years) working on a cross-stitch reproduction of Michaelangelo's Sistine Chapel Ceiling. That's almost 117 solid DAYS of work! The entire masterpiece measures 40 inches by 80 inches...