An interesting article about early human cave markings and how they connect with probably the first signs of communication and then how they link throughout the world.
What might we find if someone cracks the code and is able to 'read' what they were saying. http://www.cbc.ca/news/technology/did-early-man-communicate-with-cave-signs-1.3040723
Includes an interesting video clip as well as written story. |