Dinosaur footprints and rock carvings (both highlighted with dashed lines) at the Cerote do Retreiro archaeological site in Brazil
Leonardo Troiano/National Institute of Historical and Artistic Heritage, Brazil
Mysterious rock carvings found next to dinosaur footprints in Brazil suggest that ancient people discovered the footprints thousands of years ago and recognized them as meaningful. Masu.
The Cerote do Retreiro archaeological site in Paraiba state contains the footprints of theropod, sauropod, and ornithopod dinosaurs from the Early Cretaceous period, 145 to 100 million years ago. Adjacent to these are numerous rock carvings, or petroglyphs, mostly circular with radial lines and other abstract motifs.
Source: www.newscientist.com
