Of course, this was just a small song Wang Ming sang on his way home from work. Wang Ming didn't take it seriously and continued walking through the still-hot evening sun towards a famous slum in Xi District of City A.,Suddenly, Wang Ming's smile stopped abruptly. His brow furrowed, and doubt clouded his face.,Wang Ming didn't seem like someone who liked to dwell on things. If he couldn't figure something out, he simply let it go, muttering to himself in his heart.。