🛠️ Invention or technique

Qollqa: ventilated state storehouses

Colcas: almacenes estatales ventilados

Date
c. 1450 · confidence medium
Place
Huánuco Pampa, Huánuco, Peru
Credited to
Inca Empire
Field
Tools

What it is

Thousands of storehouses on wind-exposed slopes, with drained floors and ventilation, for preserving maize, chuño and textiles for years. They formed a network of reserves accounted for with quipus.

Studied by Morris and Levine; at Cotapachi (Bolivia) there were around 2,400.

What it led to

  • state food security
  • the logistics of the Inca army
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