🇲🇽 Mexico · Pyramid
Cuicuilco Circular Pyramid
Late Formative (Zacatenco–Cuicuilco phases 800 BCE–150 CE; pyramid 400–150 BCE) · Central Mexican Formative (Cuicuilco)
Only circular pyramid in Basin of Mexico: 4-tiered terraced circular platform 135 m diameter, 25 m high (originally 27 m) with ramp-spiral stair ascending clockwise, built 400–150 BCE (late…