On June 5, 1989, in Beijing, China, a lone, unidentified man stood in the middle of a wide avenue as a column of military tanks advanced following the suppression of protests in Tiananmen Square. Multiple cameras recorded the moment as the man blocked the lead tank, forcing it to stop. When the tank attempted to maneuver around him, the man repeatedly stepped back into its path, remaining unarmed and still. At one point, he climbed onto the tank and appeared to speak with the crew inside before