Archaeologists can trace their origins to the builders of the first cities, Harappa and Mohenjodaro, in the Indus valley.
Harappa and Mohenjodaro are the first cities.
mnli hypothesis: Harappa and Mohenjodaro are the first cities. premise: Archaeologists can trace their origins to the builders of the first cities, Harappa and Mohenjodaro, in the Indus valley.