In June of 1989 - 22 years ago this week - the Chinese government took violent military action against a massive, unarmed, largely peaceful group of young people (many of whom were not much older than I was at the time). They had been gathering in Tiananmen Square since April, and after months of requesting talks and demanding reforms from the Chinese government, their movement was squashed by tanks and armored personnel carriers.
In their memory, I offer this:
http://www.pbs.org/wgbh/pages/frontline/tankman/view/?autoplay
Jeff Widener (C) 1989 http://www.jeffwidener.com/h/