Military vehicles carrying Wing Loong — a Chinese-made, medium-altitude, long-endurance, unmanned aerial vehicle — drive past Tiananmen Gate during a military parade to commemorate the 70th anniversary of Japan's World War II defeat in Beijing on Thursday. Andy Wong/AP hide caption

toggle caption Andy Wong/AP

Chinese paramilitary police stand guard in Tiananmen Square in Beijing on June 4, the 25th anniversary of a violent crackdown on protesters by Chinese troops. Kevin Frayer/Getty Images hide caption

toggle caption Kevin Frayer/Getty Images

Civilians hold rocks as they stand on a government armored vehicle near Chang'an Boulevard in Beijing, early June 4, 1989, before the army began a crackdown on pro-democracy protesters in and around Tiananmen Square. Jeff Widener/AP hide caption

toggle caption Jeff Widener/AP

A Chinese man who became known as "Tank Man" stands alone to block a line of tanks heading east on Beijing's Changan Avenue just outside Tiananmen Square on June 5, 1989. It's an iconic image known around the world --€” except in China. Jeff Widener/AP hide caption

toggle caption Jeff Widener/AP

NPR thanks our sponsors

Become an NPR sponsor