🇵🇪 Peru · Hydraulic works
Puquios de la Achirana
Late Horizon Inca Imperial 1450 CE · Inca (Quechua) imperial engineers
12 Inca puquios gallery aqueducts (17 km, 1450 CE) of the Achirana canal, Inca ashlar aqueduct feeding Ica Valley.
🇵🇪 Peru · Pyramid
Cahuachi Sector Y
Early Intermediate Nazca 1 BCE–500 CE with Initial 400 BCE foundations · Nazca (with Paracas antecedent)
Sector Y 500 m west of Great Pyramid at Cahuachi: adobe (adobito) pyramid 8 m high 40×35 m base with plastered terrace for feasting middens and Paracas-Cahuachi polychrome offering cache (head jars).