Embedded video from CNN Video
Chinese police are now holding umbrellas up on Tiananmen Square to prevent folks from shooting video or taking photos of the square during this, shall we say, delicate 20th anniversary of the Tiananmen Square Massacre of 1989.
Chinese Twitterers are trying to break through the censorship by coding their reports of protests. Chinese censors are called “river crabs” and the even is called “ATM” or “8964.”