Cryptography & Security Presented April 16, 2010 By Dave Stycos, Zocalo Data Systems.
Southeastern corner of the Zocalo in Mexico City.
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Transcript of Southeastern corner of the Zocalo in Mexico City.
![Page 1: Southeastern corner of the Zocalo in Mexico City.](https://reader036.fdocuments.us/reader036/viewer/2022062519/5697bfd41a28abf838caccb2/html5/thumbnails/1.jpg)
Southeastern corner of the Zocalo in Mexico City
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Plaza de las Tres Culturas, Mexico City
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Olmecs ("rubber people" in Nahuatl)
750 BC - 250 BC
Calendar
Ball courts
PyramidsLong distance trade
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Teotihuacan (“Place of the Gods” in Nahuatl): 100 BC - 750 AD
~8 square miles
Multi-ethnic population of ~100,000-200,000
Influences extended to Maya of Yucatan
Pyramid of the Sun
~75m high
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The Pyramid of the Sun is the second largest pyramid in Americas. Third largest in the world. 225m X 225m at its base
Great Pyramid at Cholula is the largest in the world.
~66m high
450m X 450 m at its base
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Pyramid of the Moon ~45m high
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Doing business on the “Avenue of the Dead”.
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More business
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And, more business
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And….
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Pyramid of the Sun from Pyramid of the Moon
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Avenue of the Dead
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Temple of the Feathered Serpent, “Quetzalcoatl”.
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Pyramid of the Moon
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Statue in Ixtlan, Oaxacathat commemrates Zapotec warriors who resisted Mexica forces in the first decade of the 1500s.
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Another map of Valley of Mexico. You read about chinampas in the article by West. Some chinampas still exist. However, one aspect of the growth of Mexico City was the draining of the lakes and
chinampas.
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Remains of Great Temple of Tenochtitlan
~1300 A.D. to 1519 A.D.
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Dedicated simultaneously to two gods,Huitzilopochtli, god of war and Tlaloc, god of rain and agriculture.
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Sacred Precinct of Tenochtitlan.
~ 200m X 200m
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Different stages of temple
Earlier
Later
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Serpents are a common feature of Mesoamerican archeological sites.
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Black = urban area
Dotted = lake area
The Gran Canal is critical for draining sewage and storm water
out of the valley.