The foreigner came to live in Russia and settled in an ordinary Khrushchev. The next morning he notices that there is a piss in the entrance. He cleans silently. The next day it was pissed again. The foreigner cleans and hangs an ad asking not to pee in the entrance. On the third day, the walls were peed again. Then the foreigner is on duty all night in the entrance, but no one shows up.
He returns to the apartment, turns around for the last time, looking at an empty stairwell - and sees a freshly stained wall! Then he starts running around the entrance shouting "Who's pissing?" Who pisses in the entrance?! The door of the apartment on the first floor opens, a sleeping man protrudes and shouts:
- Nobody's pissing in the entrance! It is from high spirituality that the walls myrrhage.