Two hours earlier.
In the old district of Chinatown, San Francisco.
Garbage floated in the pitted sewage, mysterious foul stains smeared everywhere on the gray brick walls, and the air carried the stench of excrement and urine that even the rain could not wash away, nauseating to anyone who smelled it.
In the cramped earth alleys, disaster victims lay unmoving in the gloomy rain, occasionally emitting a couple of hoarse moans.
Raindrops fell into the sewage pits, reflecting the face of a disheveled and dirty child. The cold rain poured down on the child who squatted in the rain like a large black rat, bare-bottomed.
Suddenly, a sharp scolding came from above his head, "You little life-waster, have you no shame?"
The child shivered and ran away without even bothering to pull up his pants.
The chaotic sounds of breathing and footsteps thundered closer,
