Maybe he never thought that many years later, it would still be the same dilapidated alley, with garbage piles everywhere on the ground, exuding the sour smell of rotten food, the square dance music played by the aunties in the market next door still had the same flavor as before, and the trains would still run day and night, making people unable to sleep.
This is the most inconspicuous place in the entire area, dirty, shabby, and cold. Even passers-by don't want to take a second look, but it is the beginning of the story of two teenagers.
Purpose: Unknown