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
Asian Civilisations Museum Asian Civilisations Museum The Asian Civilisations Museum (ACM) is an institution which forms a part of the four museums in Singapore, the other three being the Peranakan Museum at Old Tao Nan School, the National Museum of Singapore and the Singapore Art Museum. It is one of the pioneering museums in the region to specialise in pan-Asian cultures and civilisations. The museum specialises in the material history of China, Southeast Asia, South Asia and West Asia, from which the diverse ethnic groups of Singapore trace their ancestry. The museum first opened at the Old Tao Nan School building on 22