Source:
https://scmp.com/article/1002919/think-again-urge-mainland-students-us

Think again, urge mainland students in US

A group of mainland students studying in the United States has published an open letter to President Hu Jintao and Vice-President Xi Jinping calling for a reassessment of the June 4, 1989 Tiananmen Square crackdown and advocating reform in the run-up to the senior leadership reshuffle this autumn.

'It's rather puzzling to us why such an obvious mistake or even crime has been covered up for 23 years rather than being reflected upon and corrected,' the letter states. It was published on an online mainland news portal and then carried on other websites.