Transport around 14,000 BC

The Globe




Southwest Asia

Many of their raw materials were brought down the rivers in boats, which were then either sold or dismantled for their valuable wood. The only tree that grew locally was the date palm and its wood was too flexible to use in general building. Sumer had no stone quarries so when the Sumerians wished to construct in stone, cut blocks were shipped down the rivers and carried through their elaborate canal system to the required site. Boats could not travel upstream so manufactured goods to pay for the purchase of raw materials had to be carried north by donkey; the horse was unknown in Sumer. (The Hyram Key)



Indus Valley






South America




North America