This photo taken on May 29, 2019 shows traffic on Changan Avenue, in front of flags flying in Tiananmen Square in Beijing. - Thirty years after the crackdown on Tiananmen protesters, the tanks that lined Beijing's central avenue have been replaced by countless surveillance cameras perched like hawks on lampposts to keep the population in check. (Photo by GREG BAKER / AFP) / To go with China-Politics-Tiananmen, Focus by Poornima Weerasekara (Photo credit should read GREG BAKER/AFP/Getty Images)
