That afternoon, Wang Dali and I traveled to four places, namely, the orphanage where he lived in his childhood, the mental hospital, his father’s house, and the company where he worked for half a year.

Under the trivial clues we obtained at each location, a picture of Wang Yizhou’s life slowly took shape. Wang Yizhou's mother died when he was very young so he was raised in an orphanage. A lonely and quiet child, Wang Yizhou showed great interest in machinery. Every time a car drove by, he would stare at it intently, sometimes crouching in the yard all afternoon to watch the driver repair the car. Curious about how it worked, he asked so many questions that even the driver tried to avoid him. He often took apart clocks, toys and electrical appliances in the orphanage for research and was severely beaten severely by the teacher...