Olmec colossal heads by Matthew Stirling in 1938 spurred the first archaeological investigations of Olmec culture. Seventeen confirmed examples are known from four sites within the Olmec heartland on the Gulf Coast of Mexico. Most colossal heads were sculpted from spherical boulders but two from San Lorenzo Tenochtitlán were re-carved from massive stone thrones. An additional monument, at Takalik Abaj in Guatemala, is a throne that may have been carved from a colossal head. This is the only known example from outside the Olmec heartland. Dating the monuments remains difficult because of the movement of many from their original contexts prior to archaeological
Civilisations (TV series) of the BBC "Civilisations AR" augmented-reality app on both iOS and Android. Released as Civilizations by PBS in the United States, the individual programs have distinct treatments and narrative arc, with Liev Schreiber as the series narrator. While maintaining the principal contributions of Simon Schama, Mary Beard, and David Olusoga, joining them are international artists and experts including religious studies scholar Jamal J. Elias, INAH anthropologist Rebecca Gonzalez-Lauck, art critic Jonathan Jones, Egyptology professor Salima Ikram, Asian Art Museum director Jay Xu, and history professor Maya Jasanoff. Civilisations (TV series) Civilisations is a 2018 British art history television documentary series