camel

	P.881 - §7 The Dravidians were among the earliest peoples to build cities and to engage in an extensive export and import business, both by land and sea. By 7000 B.C. camel trains were making regular trips to distant Mesopotamia; Dravidian shipping was pushing coastwise across the Arabian Sea to the Sumerian cities of the Persian Gulf and was venturing on the waters of the Bay of Bengal as far as the East Indies. An alphabet, together with the art of writing, was imported from Sumeria by these seafarers and merchants.