Scientists in Guatemala have discovered “the first freeway system in the world,” The Washington Post reports.

In an interview with the Post, researchers from a joint US-Guatemalan archaeological study published in the Cambridge University Press in December said they had uncovered 417 cities dating back roughly 3,000 years, interconnected by 110 miles of “superhighways.”

This discovery is making historians rethink what they know of ancient Mayan civilization.

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The discovery of a network of roads and cities, hydraulic systems, and agricultural infrastructure suggests that communities living in Central America were now more advanced than given credit for, the Post reports.

Per the paper, these findings reflect “socio-economic organization and political power”.

Read more: yahoo