BBC News First YouTube Video | China's Rooftop (2019)
Thirty years ago, Beijing's Tiananmen Square became the focus for large-scale protests, which were crushed by China's Communist rulers.
2019-06-06 19:00:00 - BBC News
The events produced one of the most iconic photos of the 20th Century - a lone protester standing in front of a line of army tanks.
What led up to the events?