The total area of volcanic lavas, partly eroded and overlapped by the streams of tar[clarify], is around 8 square km.

Bird fauna of Gegham Mountain Range includes about 250 species, what makes up 70% of all Armenia's avifauna.

Most images depict men in scenes of hunting and fighting, as well as astronomical bodies and phenomena: the Sun, the Moon, constellations, the stellar sky, lightning, etc.

The Yazidi society is a caste system including three main components: the Shaykhs, the Pirs (clergy) and murids (laymen).

It depends on the remoteness from the civilization, orientation complexities, that aggravate with weather condition factors, such as: thunder and lightning, hail and snow, fog with visibility down to 2-3m.