Tank Man, 1989 - The most iconic image of the Tiananmen Square massacre, this picture depicts the important “unknown rebel” standing in front of the tanks that threatened a peaceful protest in China. Jeff Widener snapped this image.
Another, recently unearthed photo of the Tank Man incident, which shows a new angle of his act of protest, now at a distance. Tank Man can be seen through the trees on the left, and the tanks can be seen on the far right. Image by Terril Jones / AP