The Oxus Civilization: The Lost Civilization you’ve never heard of
https://www.youtube.com/watch?v=RhhroVytLks
A possible near contemporary (timeline-wise) culture/civ between the Indus and Mesopotamia, geographically.
I listened to that the other day, decided we know more about it just from the topics in the related keywords. :^)
https://freerepublic.com/tag/viktorsarianidi/index
https://freerepublic.com/tag/oxus/index