Identity of Tank Man of Tiananmen Square remains a mystery

Outside China he is known simply as Tank Man. Inside the country he is not known at all. No trace is to be found of the young man armed only with shopping bags who 20 years ago blocked a column of tanks rolling through Beijing. His defiance became the defining image of the student demonstrations crushed by the People's Liberation Army. ... The identity of Tank Man remains a mystery. Did he vanish back into the crowd? Was he picked up by police and jailed? Even executed? Throughout the deathdefying stand-off, none of the many cameras focused on him from the Beijing Hotel ever captured his face. Perhaps only the tank driver and passers-by who pulled him away ever saw his features....