Gandom Beryan is actually a vast plain covered with volcanic black rocks that absorbs sunlight and its temperature becomes very hot and unbearable in summer and even other seasons.
This type of colorful mountains can be seen in several parts of East Azerbaijan province. One of the best and most accessible is the highway from Ahar to Tabriz and about 20 km from Tabriz.
Klots are found in different parts of Iran. But the largest of them is located in Kerman province and around the city of Shahdad, and for this reason they are known as Shahdad Klots.
Various theories have been proposed for this phenomenon, the most likely of which is the increase in ground pressure due to the presence of hydrocarbon gases.