🇲🇽 Mexico · Pyramid
Cuicuilco Pyramidal Platform (Circular Basement)
Preclassic / Late Formative (Central Mexican Preclassic) · Cuicuilco (Basin of Mexico Preclassic)
Giant circular stepped pyramidal platform at Cuicuilco — 135 m diameter 20 m high 700–150 BCE, buried by Xitle lava eruption 245 CE.