Egyptians gather in Tahrir Square during a <a href="http://n.pr/16IHC0O">demonstration</a> against President Mohammed Morsi in Cairo on Sunday. Hundreds of thousands of Morsi opponents poured out onto the streets across much of Egypt, launching an all-out push to force him from office on the first anniversary of his inauguration.
Credit Amr Nabil / AP
Protesters gather near a line of security blocking a road that leads to Maracana stadium in Rio de Janeiro, Brazil, on Sunday. <a href="http://n.pr/19Y62Yz">Anti-government protesters</a> marched near the soccer stadium before a major international match, venting their anger about the billions of dollars the government is spending on major sporting events rather than on public services.
Credit Felipe Dana / AP
Turks protest Saturday at Taksim Square in Istanbul against the government. Demonstrations initially sparked by a police action against a local conservation battle to save Istanbul's Gezi Park <a href="http://n.pr/12eXiFl">snowballed into nationwide demonstrations</a> against the Islamic-rooted government, leaving four dead and nearly 8,000 injured.