🇮🇷 Iran · Hydraulic works
Qanat of Zarch, Yazd
Achaemenid to present ~700 BCE–present · Persian (Median/Achaemenid onward)
71 km 2,115-shaft Zarch qanat - world's longest - still feeding Yazd after 3,000 years.
🇵🇪 Peru · Geoglyph
Nazca Lines
Early Intermediate Period, Paracas to Nazca culture · Paracas / Nazca
Over 300 geometric and figurative geoglyphs etched by removing dark desert pavement to reveal light subsoil across 450 km² of arid Pampas, including 1.8 km hummingbird, monkey, spider, and trapezoids…