"Agitu-3" Cave is located 4 kilometers east of Sisian, on the left bank of the Vorotan River. This is a unique archaeological monument that gives rich material about the life of the ancestors of modern man. The lowest layer belongs to the Upper Paleolithic. Its age is 15 thousand years. Here, not only traces of man were found, but also signs of volcanic eruptions. The cave has a complex landscape, and the ancient man in the most rational way adapted to it. Also found are many animal bones, obsidian tools, arrowheads, cutting knives, bone needles of 26 thousand years old, shell necklaces, which, apparently, came here from the territory of the Persian Gulf.