In August, the sun sets in the west, but it's still scorching hot in City A, which is located north of the equator. Only two kinds of creatures dare to show themselves at this time: those who have to work for a living, like Wang Ming, who just finished carrying bricks from the construction site, and the cicadas that have been chirping nonstop all summer long.,Wang Mingzheng was muttering to himself when a fifteen or sixteen-year-old walked towards him. He carried a backpack and had a pair of endearing dimples on his face, radiating youthful energy yet carrying an air of detachment.,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.。