Mexico's Teotihuacan, once the centre of a sprawling pre-Hispanic empire, is set to become the launch pad for an attempt to communicate with extraterrestrial life.
Yahoo's "Time Capsule" project--will be digitized and beamed with a laser into space on Oct. 25 from the Pyramid of the Sun at Teotihuacan, now an archeological site near Mexico City.

Archeologists say a culture centered in Teotihuacan, known as the City of the Gods, dominated Mesoamerica for hundreds of years during the first millennium. It is unclear what led to the society's collapse.

In the 1970s, astronomer Carl Sagan compiled a record with sounds and images, including a mariachi band and greetings in an ancient Sumerian language, to portray the diversity of life and culture on Earth.

His record was sent out with the Voyager spacecraft in the hope that extraterrestrial life forms would eventually find it.

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