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Band of Holes at Monte Sierpe: an Indigenous accounting system? — Level A2 — green and brown mountain under white sky during daytime

Band of Holes at Monte Sierpe: an Indigenous accounting system?CEFR A2

24 Nov 2025

Adapted from U. South Florida, Futurity CC BY 4.0

Photo by Anna Mircea, Unsplash

Level A2 – High beginner / Elementary
2 min
106 words

Monte Sierpe, also called the Band of Holes, is a long line of more than 5,200 pits in southern Peru. Each pit is about one to two meters wide and up to one meter deep. The site became well known after National Geographic published aerial photos in 1933.

A new study published this month in Antiquity combined sediment analysis and drone photography. Scientists found microbotanical traces of maize and wild plants used for weaving and packaging. Drone images show the rows are segmented and follow a clear mathematical pattern. Researchers suggest local groups used the holes to store goods and keep counts for trade or tribute.

Difficult words

  • archaeologistA person who studies ancient cultures.
    Archaeologists
  • discoveredFound something new or unknown.
  • systemA way of organizing different parts.
  • analysisA detailed examination of something.
  • remainsWhat's left of something after parts are gone.
  • maizeA type of grain, often called corn.
  • patternsRepeated designs or forms.

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Why do you think the Band of Holes was important for trade?
  • How might the findings about maize affect our understanding of Indigenous cultures?
  • What role do you think aerial photos play in archaeological research?

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