Interesting you should bring that up. I was researching a blog in which I use these two pictures (below). The question at the end of my blog will be (if I ever write it...takes a long time) a quote from one of the protesters: "Will you shoot us?"

Soldiers and Protesters Join Together

_{Ivan Simochkin, Creative Commons Attribution-Share Alike 3.0 Unported license.}

Flower Power in the Tank Gun Barrel

_{Ole Husby from Melhus, Norway;Creative Commons Attribution-Share Alike 2.0 Generic license.}