The settlement is famous of Indian civilization was located in climatic zones where the rainy seasons in summer and winter seasons overlap.
As a result, people could grow at once, several cereals and vegetables. In this way an ancient civilization was able to survive the prolonged drought several millennia.
The Indus, or Harappan, civilization is one of the three most ancient on Earth. Along with ancient Egyptian and Sumerian. It originated about five thousand years ago in the valley of the Indus river, on the border between modern India and Pakistan. Its decline occurred after 1900 BC due to climate change, which became colder and drier.
According to one of the British archaeologists Cameron Petrie of Cambridge University, water is one of the main factors that helped to survive the ancient civilizations. To understand how the settlements of the Indus valley managed to survive in the dry season, scientists went digging at the shores of dried up lakes Boiler-Dahar, near which was one of the major cities of the time – Rakhigarhi.
Archaeologists found traces of an unusual cultivation of agricultural crops. It gave to understand that the inhabitants of Indus valley were simultaneously growing several types of grains and vegetables to protect against drought.
In addition, after a detailed study, was made another very important conclusion. All settlements were located in climatic zones where the rainy season intersected in the summer and winter seasons. This means that an ancient civilization could endure periodic droughts, as a failed summer harvest could be made up for by a better harvest of winter crops.
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