<P> At its peak , the Indus Civilisation may have had a population of over five million . Inhabitants of the ancient Indus River valley developed new techniques in handicraft ( carnelian products , seal carving ) and metallurgy ( copper , bronze , lead , and tin ) . The Indus cities are noted for their urban planning , baked brick houses , elaborate drainage systems , water supply systems , and clusters of large non-residential buildings . Children 's toys were found in the cities , with few weapons of war , suggesting peace and prosperity . Their trade seals , decorated with animals and mythical beings , indicate they conducted thriving trade with lands as far away as Sumer in southern Mesopotamia . </P>
<P> At its peak , the Indus Civilisation may have had a population of over five million . Inhabitants of the ancient Indus River valley developed new techniques in handicraft ( carnelian products , seal carving ) and metallurgy ( copper , bronze , lead , and tin ) . The Indus cities are noted for their urban planning , baked brick houses , elaborate drainage systems , water supply systems , and clusters of large non-residential buildings . Children 's toys were found in the cities , with few weapons of war , suggesting peace and prosperity . Their trade seals , decorated with animals and mythical beings , indicate they conducted thriving trade with lands as far away as Sumer in southern Mesopotamia . </P>
write two basic feature of indus valley civilisation
write two basic feature of indus valley civilisation
urban planning baked brick houses
urban planning baked brick houses