The Olmec colossal heads are at least 17 monumental stone representations of human heads sculpted from large basalt boulders. The heads date from at least before 900 BC and are a distinctive feature of the Olmec civilization of ancient Mesoamerica. All portray mature men with fleshy cheeks, flat noses and slightly crossed eyes; their physical characteristics correspond to a type that is still common among the inhabitants of Tabasco and Veracruz. The boulders were brought from the Sierra de los Tuxtlas, a mountain range in Veracruz. It is thought that the finished monuments represent portraits of powerful individual Olmec rulers. Each is given a distinctive headdress. The heads were variously arranged in lines or groups at major Olmec centres. Dating the monuments remains difficult due to the movement of many from their original context prior to archaeological investigation. Most have been dated to the Early Preclassic period (1500–1000 BC) with some to the Middle Preclassic period (1000–400 BC). (Full article...)
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