The historical adobe town is believed to have been built in the Sassanid era.
Belgheis, one of Iran’s biggest adobe structures, is located 3 km to the southwest of what is today Esfarayen in North Khorasan Province.
The historical town is believed to have been built in the pre-Islamic period, the Sassanid era to be more exact.
It was demolished at the end of the Safavid era at the hands of invading Afghans and became a legend.
The following images of what remains of this historical structure have been released by ISNA News Agency: