June 25 marks the 25th anniversary of the Tiananmen Square protests . Sophie Richardson : When will China 's media stop whitewashing the event ? She says Beijing 's policies of suppression and crackdown breed discontent . Richardson : Brave Chinese activists are still trying to defend human rights .
June 4 marks the 25th anniversary of the Tiananmen Square massacre . Sophie Richardson : When will China 's leaders stop whitewashing the event ? She says Beijing 's tactics of suppression and crackdown breed discontent . Richardson : Brave Chinese activists are still trying to defend human rights .