Archaeologists and other researchers still have yet to discover why the harappans disappeared. This is why they, and their history of their society, still remain a mystery to us.
There are a number of things about these cities that make them standout; running water and sewage system many millennia before the current era being two examples. I my mind the two most astounding things are there was no evidence of a standing army and no evidence of slavery.
Cities of the Underworld ended in 2009.
Cities of the Underworld was created on 2007-03-02.
Planned cities and had their own Plumbing and sewage systems
what is a civilization
i love you
a culuture
they were not concerned with the afterlife -Sierra Pacific Apexxx ( : 559..
The ancient Greeks.
Designed cities were characteristic of the Minoan, Mesopotamian, Harrapan, and ... it was rebuilt in a regular form that, according to tradition, was determined by .... many factors, not the least of which was the city's history of street revolutions.
The Toltecs.
In the Indus River valley.
They had planned cities.
Indus Civilization; which was one of the earliest civilization in India.
They are unique because they are massive and cause a lot of damage to countries, towns and cities
when the indus valley civilisation was unerthened lots of human skeleton was found at many places therefore it was also called harappan civilisation.