The case was at night. Twilight descends on the Zone almost instantly: it was just light, and after a minute - not a zgi is visible. And at night in the Zone it's scary to hell! And do not believe the one who says that this time of day I am not afraid this person is either crazy, or suicidal, or all together - which is even worse. Under the cover of a black blanket, the sky, when myriad stars are scattered in the sky, and the moon hangs like an executioner with an ax over his head, it becomes scary to tremble in his knees. In these few hours, the danger of tai is behind each bush. Night mutants crumble, and those that could be bypassed at a safe distance during the day become invisible...