Because 1992 Every excavation period at the location has yielded vital new info on the behavioural evolution of Homo sapiens A variety of authors have described achievable iconographical influences from Mesopotamia into the Indus Valley.[98] Gregory Possehl notes "Mesopotamian themes in Indus iconography", specially designs relevant to the Gilgamesh epic, https://medium.com/@spoilmevintagediy/the-rich-history-of-beadwork-a-journey-through-the-ages-4e4fd2e474cf