Tiananmen Square protests: 25 years after 1989 massacre

The transcript describes the events surrounding the Tiananmen Square protests in 1989. It begins with students gathering to commemorate reformist politician Hu Yaobang and discuss political issues. The protests escalate with a large march to Tiananmen Square, coinciding with Soviet leader Mikhail Gorbachev's visit. Students initiate a hunger strike, leading to the declaration of martial law. The government responds with a violent crackdown, resulting in the retreat of protesters. The narrative concludes with the iconic image of a lone man standing in front of tanks on Changan Avenue.

Describe the events that occurred on June 3rd and 4th during the crackdown.

What iconic moment occurred on June 5th involving a lone man?