Source:
New York Times June 05, 2009
BEIJING - China blanketed Tiananmen Square with police officers on Thursday, determined to prevent any commemoration of the 20th anniversary of a military crackdown on pro-democracy protesters that left hundreds dead.
Visitors to the sprawling plaza in central Beijing were stopped at checkpoints and searched, and foreign television crews and photographers were firmly turned away.
Uniformed and plainclothes officers, easily identifiable by their similar shirts, seemingly outnumbered tourists.
A few pursued television cameramen with opened umbrellas trying to block their shots - a comical dance that was broadcast on CNN and BBC. There was no flicker of protest. Other than the intense police presence and the government's blockage of some popular Internet services, the scorching hot day passed like any other in the capital.
The scene was vastly different in Hong Kong, where throngs gathered at a park on Thursday evening for an enormous candlelight vigil on the 20th anniversary of the Tiananmen Square killings.
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http://www.nytimes.com/2009/06/05/world/asia/05beijing.html