Inca and pre-Columbian architecture is directly related to the structure of native corn grains. In a Western model of thought, one could judge ways as irregular, but in universal thought, everything is a correlation between cosmos, science, art and humanity. Fractal nature. Lack of symmetry on walls helps to dispel the energy of earthquakes. Japanese researchers studied Machu Pichu after the earthquake Kobe as the only Inca structure that has not been damaged by an earthquake.