Portraits of all the identified victims of Tiananmen by TiananmenMother.org:
A photo of a paper tank sculpture at Hong Kong University of Science and Technology:
The tank was later pushed to the busy Mong Kok shopping district:
A crowd-sourced map of the major massacres on June 4th, 1989:
Letters of support from students for the the Tiananmen Mothers' organization:
Photos of Xu Qinxian, commander of the 38th Grand Army who refused to use force against protestors. He was court-martialed and jailed for five years.
Photos of Ai Hu-sheng, who led the tank squadron into Tiananmen.
A photo from the early days of the protest:
A call for all netizens to wear black shirts on June 4th:
And a call for everyone to light a candle at home:
On the Weibo microblogging service, the popular emoticon for mourning, [candle], has been disabled: