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.
Gel-Afshan-e Chegardani-Lash is located near a village of the same name, which is necessary to visit with the help of local people due to the lack of traffic signs.
Rainbow Cave is located in the southeastern part of the island, about 10 km from Hormoz. It is a bit difficult to reach, but it can be crossed by everyone with caution.
The end of this valley leads to a high and scary precipice, which is one of the attractions of this valley, and strange rocks can be seen with the perspective of this precipice and the turquoise beach.
Due to the volcanic interactions of Sahand Mountains; a view has been created in one of the most pleasant and airy parts of Iran, which seems more like a dream.