English: The ginni's chimney is located 20 km from Mahneshan city and 120 km from Zanjan. This natural phenomenon is called "hoodoo" in geological terms and is basically a kind of mushroom-shaped rock that has been formed by erosion and is similar to a tall and thin minaret on which another rock is placed. ginni's chimney and Behestan Castle or Mahneshan Castle are some of the lesser known tourist attractions in Zanjan. The two are located near the village of Behestan and the city of Mahneshan, about 110 km from Zanjan.