The big desert of lut with the area of 5400 km2 is situated in the east and southeast of Iran .In a major part of this desert, there is no animal and vegetable life of any kind.The very beautiful and typical phenomena abound in this desert. This desert has a few universally unique specifications. Due to its vastness only a part of this area (in the vasinity of the historical city of shahdad), that includes the most of its phenomena is taken in to consideration.