Erdem Gunduz (center) stands in Instanbul's Taksim Square early Tuesday. After weeks of clashes with police, many Turkish protesters were inspired to emulate Gunduz, and stand silently.
Petr David Josek/AP
Online activist Ali Abdulemam (right) is greeted in Manama, Bahrain, on Feb. 23, 2011, shortly after anti-government protests began. Wanted by the government, he went into hiding the following month. He escaped from Bahrain after two years underground and made his first public appearance Wednesday in Oslo, Norway.
Journalist Marie Colvin (second from left) poses with Libyan rebels in Misrata on June 4, 2011. She was killed in the besieged Syrian city of Homs on Wednesday. Later that day in Tripoli, fellow war correspondents gathered to remember her.