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Pre-Hispanic City of Teotihuacan
The holy city of Teotihuacan ('the place where the gods were created') is situated some 50 km north-east of Mexico City. Built between the 1st and 7th centuries A.D., it is characterized by the vast size of its monuments – in particular, the Temple of Quetzalcoatl and the Pyramids of the Sun and the Moon, laid out on geometric and symbolic principles. As one ofthe most powerful cultural centres in Mesoamerica, Teotihuacan extended its cultural and artistic influence throughout the region, and even beyond.


Brief synthesis
Teotihuacan and its valley bear unique testimony to the pre-urban structures of ancient Mexico. Human occupation of the valley of Teotihuacan began before the Christian era, but it was only between the 1st and the 7th centuriesA.D. that the settlement developed into one of the largest ancient cities in the Americas, with at least 25,000 inhabitants.
The city’s urban plan integrated natural elements of the Teotihuacan Valley, such as the San Juan River, whose course was altered to cross the Avenue of the Dead. This north-south oriented main reference axis of the city is lined with monumental buildings and complexes, fromwhich the Pyramids of the Sun and the Moon, as well as the Great Compound with the Temple of Quetzalcoatl (also known as Temple of the Plumed Serpent) stand out. One characteristic of the city’s civil and religious architecture is the "talud-tablero", which became a distinctive feature of this culture. Furthermore, a considerable number of buildings were decorated with wall paintings whereelements of worldview and the environment of that time were materialized. The city is considered a model of urbanization and large-scale planning, which greatly influenced the conceptions of contemporary and subsequent cultures.
At the peak of its development the city stretched out over 36 km2. Outside the ceremonial centre, which, despite its imposing size, represents only 10% of the total surface,excavations have revealed palaces and residential quarters that are of great interest at, for example, La Ventilla, Tetitla, Zacuala, and Yayahuala to the west, and Xala and Tepantitla to the east. The city was razed by fire and subsequently abandoned during the 7th century.
Integrity 
The Pre-Hispanic City of Teotihuacan fully preserves its monumentality, urban design and artistic wealth, as wellas the relationship of the architectural structures with the natural environment, including its setting in the landscape. This is due to the maintenance, conservation and permanent protection the site has received. However, natural factors like rain, wind and solar radiation constantly affect the site and its elements, and are considered to be the most important threat. Not all conservationattempts in the past were successful and some elements of the site were negatively affected by the use of inadequate materials (e.g. concrete and polymers). This highlights the need for conservation guidelines for interventions, as requested by the World Heritage Committee in its 36th session (2012), as well as for plans for preventive conservation and monitoring at the site. A further serious threat isthe development pressure around the site that is constantly on the rise.

1.- Where the pyramids are located ? (Eli)
Located 48 km northeast of Mexico City, Teotihuacan is one the archaeological sites with the longest history of exploration in Mexico.

2- How big was the population in Teotihuacan?( Nady)
This was at least 25000.

3.- What are the dimensions of the Avenue of the Dead?( Laurita)

The processional avenue has 40 m wide and 2 km long.

4.- What is the most important temple is the city? ( Dianita)

The most important temple is Quetzalcoatl, the Plumed Serpent









Ciudad prehispánica de Teotihuacán
La ciudad sagrada de Teotihuacán ("el lugar donde los dioses fueron creados ') está situado a unos 50 km al noreste de la Ciudad de...