How did Pachacuti Inca Yupanqui reshape Cuzco and the surrounding farmland?

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Pachacuti Inca Yupanqui significantly transformed Cuzco and its surrounding landscape through ambitious urban and agricultural development projects during his reign.1

Urban Development

Pachacuti is credited with devising the city plan for Cuzco, which served as the political and religious capital of the Inca Empire. As part of this reconstruction, he oversaw the substantial enlargement of SacsahuamĂĄn, a massive fortress situated on a hill overlooking the city.21

Agricultural Reclamation

To support the growing population and the needs of the state, Pachacuti initiated a vast agricultural project across the upper end of the Cuzco Valley. His efforts included:1
* Land Engineering: The valley floor was leveled, and rivers were channeled to manage water resources effectively.1
* Terracing: Extensive agricultural terraces were constructed on the surrounding hillsides to maximize arable land.1

These improvements significantly increased the area's agricultural productivity. To facilitate these large-scale works, many original inhabitants of the valley were temporarily relocated to other regions.1