This civilization had major centers at San Lorenzo, Tres Zapotes, and La Venta.
One of this civilization's sites is nicknamed "Lake of the Hills" because of its abundance of mounds. A titanium-rich "blue" variety of jade is named for this civilization, which produced a number of "elongated man" sculptures. A monument at Takalik Abaj is thought to have been carved from one of the signature artifacts of this civilization, 12 rubber balls from which were found in a sacrificial bog at El Manatí. "Stela C" from this civilization shows the second oldest known example of a Long Count calendar. This civilization had major centers at San Lorenzo, Tres Zapotes, and La Venta. For 10 points, name this Mesoamerican civilization known for its giant stone heads.
One of this civilization's sites is nicknamed "Lake of the Hills" because of its abundance of mounds.
Olmec civilization