Circular mexican arqueological pyramid called Cuicuilco. This is a model that was created from a topgraphical research in an archaeological project. Its temporality dates from early 'Mesoamerican preclassic'(2000-800 b.c) This pyramid was abandon because a large lava blanket, covered it. This lava was product of the Xictle volcano located in the sirra Chihinauhtzin in te basin of Mexico. Archaeological theories, tend to propose that the people living here went directly to Teotihuacan. And fund it