The discovery of stone houses 10 km away from Eshtehard in Alborz Province – to the west of the capital Tehran – indicates humans lived in the area as far back as 2,000 years ago.
The houses which are carved into rocks belong to the pre-Islamic era. Rain and other climatic factors have resulted in the erosion of most of these houses, but some remain almost intact.
The following are images of the historical site mizanonline.ir has put online: