Students Tiananmen Square in Beijing, China on May 29, 1989. [Getty Images]

CHINA - MAY 29: Students Tiananmen Square in Beijing, China on May 29, 1989. (Photo by Chip HIRES/Gamma-Rapho via Getty Images) — see more

CHINA - MAY 29: Students Tiananmen Square in Beijing, China on May 29, 1989. (Photo by Chip HIRES/Gamma-Rapho via Getty Images)

Gamma-Rapho Chip HIRES