I understand that the red, yellow and green lines give a general idea of how bad traffic is on a road, but do they have any specific meaning, like red equals a 40-minute wait at a toll bridge? a. According to the Google Maps site, the colored lines representing traffic conditions on major highways refer to the speed at which one can travel on that road.
The oldest form of writing known to man is Cuneiform used in Mesopatamia.
But they believe the discovery will shed light on the origins of Chinese language and culture. The oldest writing in the world is believed to be from Mesopotamia (now Iraq), dating back slightly more than 5,000 years. Chinese characters are believed to have been developed independently. The Chinese inscriptions were found on more than 200 pieces dug out from the neolithic Liangzhu relics site.