The thousand-year-old mystery of the giant snake found in drawings across the world - The Independent
- The thousand-year-old mystery of the giant snake found in drawings across the world The Independent
- Ancient snake drawings are among the largest known rock art worldwide New Scientist
- 2000-year-old rock art, including nearly 140-foot-long snake, may mark ancient territories in Colombia, Venezuela Livescience.com
- Ancient Snake and Centipede Carvings Are among World's Largest Rock Engravings Scientific American
- Largest known prehistoric rock engravings discovered in South America Bournemouth University