Formation of urban architectural features of the Achaemenid period at the Dahan-I Gholaman

The Achaemenid site of Dahan-i Gholaman is located in Sistan province (Ancient Zaranka). This city formed at the beginning of the Achaemenid period without any background of establishment and abandoned after 150 years. The water of site supply through the transfer of water from one of Helmand's branches and supported with favorable agricultural land and the canebrake around Hamoon. Architectural structures of this site based according to local conditions with indigenous materials like mud-brick. Also as well as the scattering of structures of this city adapted with natural capabilities, followed from Persian style based on social texture and Indo-European caste and creates several different city blocks (parish). The pattern that continues by the urban communities in the Near East in the Parthian and Sasanian historical periods. Also, a model that has occurred in the formation of urban texture in the royal cities of the Achaemenid period seen in a different style in this site. Although the formation of this city influenced the Achaemenid elite in the Sistan region, its abandonment happened to its inhabitants due to the lack of urban or urban identity. However, based on the accumulation of native architectural memory in this area, this assumption based that from the late Bronze Age and the end of the Shahr-I Soukhte to the Achaemenid period, in spite of the lack of archaeological evidence, there were settlements in this area.