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A vital consideration must be implied on recognizing and investigating the Ural plannings of old and ancient cities. Old architectural Ural plannings as Iranian civil and culture symbol, are historical documents, which exhibit experiences from old Iranians. Warm regions form a major part of our country. City Ural plannings are totally based on the special warm and dry weather, which provides the responses to the people of the region. Accordingly, a similar condition is considered for all warm and dry regions in Iran. Sarayan is one of the cities located around the central desert of Iran, which contains the ancient and valuable Ural planning proportional to the condition of the region. This city is located in southern Khorasan province and the north western part of this province. Special regional properties, mountains and deserts neighborhood and being along a connective road have made Sarayan a place for residence, which caused its extension and growth. An alive spirit is exposing from past up to now according to different architectures from the Timurid to Pahlavid and six different areas inside the city, as well as distinctive architectures inside each area. This field and library research has been done in order to rebuild the urban Ural planning of Sarayan from Safavid to the first Pahlavid.  

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To determine ancient seed species, 3250-3450 year-old charred seeds obtained from different Iranian archaeological sites were studied using Scanning Electron Microscopy (SEM) and molecular analysis. SEM analysis of ancient seeds revealed that the surface of the seeds was damaged. Therefore, we could not accurately identify their species. Molecular analysis on ancient specimens was done on different samples obtained from Masjede Kabood (Tabriz), Tepe Rahmat Abad (Pasargad) and Tepe Sagz Abad (Qazvin plain). The specific primer pairs were designed based on a part of the promoter region of the High Molecular Weight (HMW) glutenin gene and a short fragment of the vrs1 gene were verified on samples of modern wheat and barley varieties, respectively. The designated primers failed to amplify ancient DNAs (aDNAs) obtained from Masjede Kabood and Tepe Rahmat Abad, but successfully amplified the aDNA obtained from Tepe Sagz Abad. This finding was expected since the latter seeds had a better morphological preservation in comparison to the former ones. The accuracy of the amplified products was further proved by cloning and sequencing.