Tuesday marks 30-years since the Tiananmen Square killings in 1988- a standoff between pro-democracy protesters and the Chinese government over corruption. It ended violently when tanks and soldiers entered the square, killing many protesters. The final death toll is still disputed. The Chinese government has since tried to erase the event from history Al Jazeera's Adrian Brown reports from Beijing. Subscribe to our channel: http://aje.io/AJSubscribe Follow us on Twitter: / ajenglish Find us on Facebook: / aljazeera Check our website: https://www.aljazeera.com/ #China #Tiananmen #Tiananmen30