Ancient teaching between two rivers

This article is devoted to religion and religious beliefs that appeared in different regions of the world, were formed to a certain extent over 2-3 thousand years, the laws and rules of Sharia were improved and became sacred books, as well as the origin of the teachings of Avesto Zarathustra, as well as their values and sections that were achieved in this oldest part of the Avesta also mentions the structural structure of the GATH.