> subway entrance
> a guy with a big backpack walks in
> security guard asks him to put the backpack into an X-ray machine
> the guy ignores him and continues walking
> security guard starts screaming that if he won't put it to the X-ray machine he is caling the police
> the guy ignores him again and continues walking
> security guard returns to his normal spot and the guy boards a train with nobody following him

thanks moscow subway, now I am sure stopping me every time I have a laptop in my bag is necessary to protect me from evil terrorrists