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3D model of Rano Raraku reveals moai production — Level A2 — Moai Easter Island

3D model of Rano Raraku reveals moai productionCEFR A2

30 Dec 2025

Level A2 – High beginner / Elementary
2 min
112 words

Researchers created the first digital 3D model of Rano Raraku quarry on Rapa Nui, the main quarry for the moai. The quarry has nearly 1,000 statues and the model records where each statue stands and how big it is.

To build the model the team used drones and took many images during several field trips. Computer software joined the images to make the three-dimensional record, and archaeologists then studied the model to find patterns at the site.

The work suggests moai were made in separate workshops by local groups rather than by one ruler. Students helped and the data were shared with the local indigenous organisation for conservation and heritage planning.

Difficult words

  • quarryPlace where stone or minerals are dug
  • droneSmall unmanned aircraft with a camera
    drones
  • modelA copy that shows how something looks
  • workshopPlace where people make or repair things
    workshops
  • archaeologistA person who studies past human activity
    archaeologists
  • indigenousBelonging to the original local people
  • conservationProtection and care of nature and objects

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

Discussion questions

  • Why is it useful to share the data with the local indigenous organisation?
  • Have you ever seen a 3D model or drone images? Describe briefly.
  • Do you think small local workshops or a single ruler are better for making large projects? Why?

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