Overview

• Researchers mapped 14 sites featuring the world's largest rock engravings, some newly discovered.
• The engravings, including a 138-foot-long snake, were likely visible from great distances.
• Carvings depict snakes, human figures, and Amazonian centipedes, reflecting local mythology.
• The study involved drone photography and computer-based visual analysis to understand the engravings' placement.
• Efforts are underway to protect these sites, with local indigenous communities playing a key role.