Timeline: Bronze Age The arts of the Indus valley civilisation can be traced to the second half of the third millennium BCE – a period roughly coinciding with the Bronze Age. These art forms include sculptures, seals, pottery, gold jewellery, terracotta figures, and other forms of art that were discovered at numerous sites of the civilization along the Indus River and its tributaries. Major Sites : Mohenjo-Daro and Harappa Two of the major cities of the Indus Valley Civilizat