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.
The oldest surviving paper cut out is a symmetrical circle from the 6th century Six Dynasties period found in Xinjiang China. Papercutting continued to be practiced during the Song and Tang Dynasties as a popular form of decorative art.