Презентация на тему ученика по теме Olmec civilization

still could not find any trace of the origin

and evolution of the Olmec civilization , the stages of its development , the place of its origin . Little is known about the social organization of the Olmec and their beliefs and rituals - except that they , like, too, did not disdain human sacrifices. Unknown and in what language was spoken Olmecs , and ethnic group to which they belonged. In addition to all the high humidity in the Gulf of Mexico has led to the fact that not a single skeleton preserved Olmec , which makes it extremely difficult for archaeologists the opportunity to shed light on the culture of the most ancient civilization of Mesoamerica .

Lorenzo , La Venta and Tres Zapotes . These

were real urban center , the first in Mexico. They included large ceremonial complexes with earthen pyramids, an extensive system of irrigation canals , the city's neighborhoods and numerous necropolises . Olmecs achieved this perfection in stone processing , including a very solid rock. Olmec jade considered to be masterpieces of ancient American art. Olmec monumental sculpture included megaton altars made ​​of granite and basalt, carved stelae , sculptures in human growth. But one of the most remarkable and puzzling features of this civilization are enormous stone heads . The first such head was found back in 1862 in La Venta . To date, these giant human heads found 17 , ten of them are from San Loresno , four of La Venta , and the rest - even with two monuments of the Olmec culture. All these heads are carved from a single block of basalt. The smallest have a height of 1.5 m , the biggest head found on the monument Rancho la Kobata reaches 3.4 m in height. The average height of the majority of the Olmec heads - about 2 m Accordingly , the weight of these huge sculptures ranges from 10 to 35 tons!