I've seen some good takes on this website before, e.g.
Tiananmen Square massacre is a myth; all we’re remembering are British lies
Wikileaks: no bloodshed inside Tiananmen Square, cables claim
Workers World: China’s Tiananmen Square
Tiananmen Square ‘massacre’ was a myth
What really happened at Tiananmen?
West hypes false Tiananmen death toll
The original fake news: Tiananmen Square massacre
The defeat of counter-revolution in China
WikiLeaks - LATIN AMERICAN DIPLOMAT EYEWITNESS ACCOUNT OF JUNE 3-4 EVENTS ON TIANANMEN SQUARE (1989)
Richard Roth - There Was No "Tiananmen Square Massacre" (2009)
Yenica Cortes - Tiananmen Square and the threat of counterrevolution (2009)
Tiananmen - the massacre that wasn’t
No, 10,000 were not killed in China’s 1989 Tiananmen Crackdown (anti-Chinese source, but still!)
Deirdre Griswold - Tiananmen Square ‘massacre’ was a myth (2011)
I mean, for one, it's pretty obviously a rectangle.