✅ The results of this study showed that the Mongol Gongs and Ilkhanate Sarays were similar to each other in terms of general structures and location in cities or outside the cities, and the only difference between them was in the way the buildings were arranged. Iranian Sarays were designed with four porches, and in Mongolian Gongs, the form of curran was used.

✅ This study showed that most of the ancient sites along the Hajilerchai River are located at the tributaries of the Aras River, and environmental conditions and proximity to the river have played an essential role in establishing settlements.

✅ The research method in this article is fieldwork along with a historical-comparative-analytical approach. In the field section, the site in Kurdistan province has been studied. In the historical section, books, articles, and reports related to the subject are examined.

✅ The current study tried to examine the importance of music during the Sassanid era, especially at different social levels. The importance of music in the social structure of ancient Iran, especially during the Sassanid era, and its functional similarities with contemporary societies, have further increased the necessity of an interdisciplinary view of this issue.

✅ The present study is applied in terms of purpose and descriptive in terms of method, which has been done to identify and analyze crises and physical hazards in the Tabriz Historic Bazaar based on the mentioned factors and hierarchical analysis process.
 

✅ This research, using descriptive-comparative, analytical method and based on field and library studies, seeks objectives such as studying the tombstones of the Islamic period, classifying the shapes of tombstones, and examining the decorative motifs in them. The results showed that these tombstones are generally formed from the Ilkanid period to the contemporary.

✅ The present research falls under applied studies from an objective point of view and is a hybrid one from a nature perspective, which involves a content analysis based on library sources that help meet main research data. Then, a survey method via field visits was conducted to understand the research objectives better. The research findings are a combination of findings from documentary and case and field studies about the Bazarchey-e-Fil pass in the Es'haagh Beig and HajZeinal Pass in the Sang-e Siah Neighborhoods in the historical parts of Shiraz.
 

✅ This study analyzes and criticizes previous views measuring them by written sources and archaeological data obtained from field research, and seeks to clarify the historical developments of Sirjan city. In fact, it aims to reject, criticize and challenge previous views about this city by pinpointing logical reasons.

✅ Studies have shown that the crusts (mainly in the Great Arch) have covered the surface of the reliefs in orange to brown and even gray tones. In particular, on the western side of the Great Arch, these crusts have distorted most of the reliefs. The small arch and the relief of Ardeshir II are less affected by surficial crust. 
 

✅ This study's main purpose is to recognize the Kahak Water-Mill building in terms of history, function, and architecture. Literature reviews and field studies have been used to collect the necessary information.