Nature of Iran Inspired by the Arasbaran region and Baranak trees in autumn. Baranak is a rare plant in Iran but is found abundantly in the Arasbaran region. A tree that reaches a height of 35 meters and is considered a rare species in the forests of northern Iran. Its wood is sold at a high price in Europe and for this reason, it is called "forest caviar". Collectors working in the machine-made carpet industry can have an executable file for carpet weaving.