This criterion is essential. It describes how human norms and conventions vary from the ritualised behaviours found in nonhuman primates. Different authors have described achievable iconographical influences from Mesopotamia for the Indus Valley.[98] Gregory Possehl notes "Mesopotamian themes in Indus iconography", especially patterns linked to the Gilgamesh epic, suggesting that https://bookmarknap.com/story8649287/new-step-by-step-map-for-glass-bead-techniques