The Arg-é BamThe Arg-é Bam (ارگ بم in Persian, ‘Bam citadel’) was the largest adobe building in the world, located in Bam, a city in the Kerman province of southeastern Iran. It is listed by UNESCO as part of the World Heritage Site ‘Bam and its Cultural Landscape’. This enormous citadel on the Silk Road was built before 500 BC and remained in use until 1850 AD. It is not known for certain why it was then abandoned. Zarand and other prehistoric relics:historic city, to discover new secrets. Here is a summary of the findings and discoveries which they are mentioned.Industries and Mines city of ZarandcoalBefore formally Zarand coal mines, residents of neighboring areas after the winter coal, and minerals such as fuel used homes.