Song Yuzheng in Harbin from Massachusetts Amherst hurst plunged into Harbin, Song Yuzheng was hold breath to find out a "killer" behind the scenes, but most of the time, he didn't know where to push. Harbin winter fog "uncertain" is the goal of his recourse, the hampshire bushehr college sophomore initially focus on poor quality lignite heating season. Spent half a month time, around several old district, city...