Prehistorical people started to build houses during Neolithic period using clay, mud, dung, and straw interwoven among wooden posts. Some better huts might have foundations made of stone, set into trenches, and supporting walls of large timbers (Stokstad, p.13). The Styles of houses were vary in different regions. These houses were rebuild again and again over time, and human burials were found under these houses. That makes it very difficult to determine whether or not these houses were used as special purpose. Numerous of art works like sculpture, wall painting and potteries were also found inside these houses. For example Human-Fish Sculpture made of carefully pecked and shaped river boulders from Lepenski Vir, Serbia. C. 6300-5500 BCE(Stokstad,
