State censorship is a scary thing. Compare the results of the first picture to come up when "tiananmen square" is searched on Google Images in the US and then in China:
Google U.S. :
The other photos to show up are just as biased - glorious pictures of the Forbidden City versus horrific scenes of communist strife.
I hope that those of us who believe in the rightness of a free society can use the Fourth of July as a time to remember that many people in this world lack basic freedoms.