A well-planned road grid and a more sophisticated drainage system hint that the occupants regarding the ancient Indus civilization city of Mohenjo Daro had been skilled metropolitan planners with a reverence for the control of water. But simply whom occupied the city that is ancient modern-day Pakistan through the 3rd millennium B.C. continues to be a puzzle.

“It is pretty faceless,” states Indus specialist Gregory Possehl regarding the University of Pennsylvania in Philadelphia.

The town does not have palaces that are ostentatious temples, or monuments. […]