Adding a small 10x12-foot wood deck can run $500-$1,000 for do-it-yourself materials or $1,000-$1,900 to hire someone to build it. A larger deck of wood or plastic composite can be $4,000-$25,000 or more depending on size, materials and complexity.
The Sumerians were the first people to migrate to Mesopotamia, they created a great civilization. Beginning around 5,500 years ago, the Sumerians built cities along the rivers in Lower Mesopotamia, specialized, cooperated, and made many advances in technology.
The First Pyramids Built. The first pyramid was the Step Pyramid at Saqqara, built for King Zoser in 2750 BC. This first application of large scale technology, however, is often attributed to Imhotep, the architect of the Step Pyramid. He was not a pharaoh, but was the Director of Works of Upper and Lower Egypt.