(1) Egyptian civilisation
(2) Indus Valley civilisation
(3) Chinese civilisation
(4) Mesopotamian civilisation
Correct Answer : (2) The world’s first drainage system was build by the people of Indus Valley civilisation.
The Indus River Valley Civilization, 3300-1300 BCE, also known as the Harappan Civilization, extended from modern-day northeast Afghanistan to Pakistan and northwest India.
Indus Valley Civilisation System of underground drainage was the most unique feature of town planning in the Indus Valley Civilisation. It is regarded as world’s first drainage system having prominent features such as covering of Slab and Manhole at regular intervals.
The Indus Valley civilisation is noted for its cities built of brick, roadside drainage system, and multi storied houses which other Bronze Age civilisations lacked to the extent that the Indus people had. Important innovations of this civilization include standardized weights and measures, seal carving, and metallurgy with copper, bronze, lead, and tin.
The civilization likely ended due to climate change and migration.
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