New Study Suggests Acre Could House 20,000 Pre-Columbian Monuments: MSMN News

A groundbreaking study has revealed that the state of Acre in Brazil and its neighboring areas may be home to around 20,000 pre-Columbian monuments. This estimate far exceeds the nearly 1,300 previously documented by archaeologists from Brazil and Finland. The findings were published on July 29 in the scientific journal Nature.

Using advanced laser-mapping technology, researchers were able to uncover a vast number of Geoglyphs, which are large geometric earthworks. These structures are created by ditches that can measure up to five meters deep and 13 meters wide, encompassing areas that could reach up to 50 hectares. The complexity and scale of these earthworks suggest a highly organized society that existed in the Amazon long before European contact.

The study's authors emphasize the significance of these findings, not just for understanding the history of the Amazon, but also for recognizing the sophisticated cultures that thrived there. The laser-mapping techniques provided a clearer picture of the landscape, revealing patterns and structures that traditional archaeological methods might have missed.

Many of these geoglyphs are thought to have served various purposes, from ritualistic to agricultural. Their discovery challenges the long-held belief that the Amazon was predominantly an untouched wilderness before the arrival of Europeans. Instead, it paints a picture of a region actively shaped by its inhabitants.

The researchers believe that ongoing excavations and studies in Acre could yield even more insights into the lives of the people who created these monuments. As more is learned about these ancient societies, it may reshape our understanding of pre-Columbian history in South America.

While the study has generated excitement in the archaeological community, it also raises questions about the preservation of these sites. As deforestation and development continue to threaten the Amazon, protecting these cultural treasures becomes increasingly urgent. The findings serve as a reminder of the rich history hidden beneath the forest canopy, waiting to be explored and understood.

In conclusion, this study not only highlights the potential wealth of archaeological sites in Acre but also calls attention to the importance of safeguarding these historical monuments for future generations. The rich tapestry of human history in the Amazon is more complex than previously thought, and researchers are eager to uncover more about the people who once inhabited this vibrant ecosystem.

Source / Reference

Reporting by MSMN News, based on publicly available source material.

Source: Folha Brazil EN

Reference link: https://redir.folha.com.br/redir/online//rss091/*https://www1.folha.uol.com.br/internacional/en/culture/2026/07/acre-and-neighboring-areas-may-hold-20000-pre-columbian-monuments.shtml