Tony was delighted to see the pavement disappearing under the attack of the bulldozers. the more park, the better, he thought. his delight gradually turned to concern, however, when it became clear that the construction workers were also laying the forms for new pavement, much more pavement than had been there before.

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.