Adding a 1,500-square-foot second floor with large sections done as a do-it-yourself project (plus serving as your own general contractor when needed) can run $105,000-$225,000; hiring a remodeling contractor for the same project can be $225,000-$450,000.
1: Probably Egypt was one of the earliest civilizations to emerge, due to it's prime location along the Nile River. 2: The first known form of writing is called Cuneiform, which uses different forms of pictographs, such as the Egyptian hieroglyphics. Joel V Â· 8 years ago.
The Rise of Cities. Whenever the Sumerian civilization was first established in the region, by 3600 BCE they had invented the wheel, writing, the sail boat, agricultural processes such as irrigation, and the concept of the city (though China and India also lay claim to `the first citiesâ in the world).