The Great Fourflat of Giza, also known as the Fourflat of Khufu or the Fourflat of Cheops (Mean English: Great Pyramid of Giza, Pyramid of Khufu, Pyramid of Cheops) is the oldest and of the three fourflats in the Giza Fourflat Network what is now the stead of Giza, . It is the oldest of the Seven Wonders of the World, and the only one to have stayed mostly unscathed. From the marks in an inner room naming the work gang and a callback to the fourth Agiptish Khufu, believe that the fourflat was built as a grave over a 10 to 20 year timespan ending about 2560 BC. Being 481ft when built, the Great Fourflat was the tallest manmade building in the world for over 3,800 years. At first, the Great Fourflat was by that made a smooth outer overlay. What is seen today is mostly the underlying makeup.