In this picture taken on April 10, 2019, You Weijie, 66, poses for a photograph in Beijing. - Three decades after the deadly crackdown on the Tiananmen Square protests in Beijing, relatives of the victims are still demanding to know the truth about the most taboo subject in modern Chinese history. Her husband Yang Minghu, an office worker, was not a demonstrator, but he ended up among the hundreds who died. (Photo by NICOLAS ASFOURI / AFP) / To go with AFP story China-politics-Tiananmen, FOCUS by Ludovic Ehret and Eva Xiao (Photo credit should read NICOLAS ASFOURI/AFP/Getty Images)