It may look like just another random boulder, but this old Spanish rock bears ... Abstract engravings such as these suggest the ability to record and pass down information – a sign of modern ...

A rock engraving, indicating clear remnants ... Of the identified 429 signs, “a man with jar cup”, a symbol unique to the Indus civilisation and other compound letters testified to remnants ...

Researchers have uncovered evidence that members of a mysterious archaic human species buried their dead and carved symbols on cave ... is a wall covered with rock engravings.