文章节选自澎湃新闻旗下网站Sixth Tone的报道:
It’s a pristine day, and substitute math teacher Zhang Dongsheng is out for a hike with his elderly in-laws. As they stop for a rest at a craggy overlook, Zhang whips out a large camera and motions for the couple to pose. The soft-spoken younger man moves closer to adjust their posture and suddenly — as if momentarily possessed — shoves them from their perch.