“A trailing stone” the most interesting and attractive sight Ergaki by right is considered. It settles down on a sloping rock, concerning with its only insignificant part of the surface. Outwardly the stone (it is obvious, weight in some tens tons) makes impression of instability, it as if just about will lose fragile balance and will slide off in a precipice. It is known that till 70th years of the last century “Trailing” was also “a shaking”