In the Han dynasty (202 BCE – 220 CE), the wall grew longer as the empire wanted to keep trade routes safe. It also fought off nomadic attacks. This time added about 1,600 kilometers (990 miles ...
In the study, "Red princess of the Silk Road: The first-and-only known case of cinnabar-stained teeth in antiquity from the Iron Age Western Regions (202 BCE to 8 CE)," published in Archaeological ...
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