The content originally appeared on: CNN CNN - For three months, the disappearance of Hu Xinyu gripped China. The whereabouts of the 15-year-old, who vanished from a boarding school in southern Jiangxi province in October, was for months among the most discussed topics on the Chinese internet. It prompted numerous questions, speculation and round after round of exhaustive policesearches - including one joined by thousands of residents earlier this month. Then, on Sunday - more than 100 days after Hu […]