Stunning images from 2013 protests, demonstrations

An activist in a gas mask is surrounded by clouds of tear gas at protests in Instanbul, Turkey, that were compared to the Occupy movement.  (Sedat Suna / EPA)

A demonstrator leaps over a burning barricade in Rio de Janeiro when protests over teachers’ pay turned into riots. Taxes and corruption were among ills cited by protesters in other Brazilian street demonstrations.  (Felipe Dana / Associated Press)

Young Ukrainian ultra-nationalists march in Kiev to mark the 71st anniversary of the formation of the UPA, an armed nationalist group.  (Sergei Supinsky / AFP/Getty Images)

Youths in Paris throw projectiles and clash with riot police as they protest the deportation of teens who were in the country illegally.  (Ian Langsdon / EPA)

Riot police have their shields up during a protest near Paris of factory layoffs by Goodyear.  (Remy de la Mauviniere / Associated Press)

A protester is sprayed by a water cannon during clashes in Istanbul’s Taksim Square. During summer demonstrations, Turkish protesters cited excessive force by police and limits on freedom of speech.  (Kerim Okten / EPA)

A rainbow appears over protesters taking cover as police fire tear gas and water cannons during a violent anti-government protest near Government House in Bangkok, Thailand.  (Rufus Cox / Getty Images)

Demonstrations marred a visit by Pope Francis to Rio de Janeiro. The pope visited Brazil at a time of heated anti-government protests.  (Marcelo Sayao / EPA)

An Egyptian fan of Cairo’s Ahly soccer club displays scales in celebration of a court verdict that returned 21 death penalties in 2012 soccer violence that killed 74. The court ruling, however, sparked further deadly protests.  (Ahmed Ramadan / Associated Press)

Pro-European Ukrainian demonstrators clash with police protecting the presidential administration office in Kiev as 100,000 outraged Ukrainians swarmed the city in a call for early elections meant to punish authorities for rejecting a historic pact with the European Union.  (Vasily Maximov / AFP/Getty Images)

In Bangkok, Thailand, a Buddhist monk wearing a face mask takes part in a deepening anti-government revolt.  (Indranil Mukherjee / AFP/Getty Images)

Egyptians wave national flags and fireworks light the sky over Tahrir Square in Cairo, where hundreds of thousands of opponents of Egypt’s Islamist President Mohammed Morsi celebrated his ouster.  (Amr Nabil / Associated Press)

An aerial view of the Teachers’ Day protest in Rio de Janeiro, Brazil. Participants were demanding better working conditions and protesting police violence.  (Vanderlei Almeida / AFP/Getty Images)

A protester whips a chain at riot police as officers stormed the top Ukrainian opposition party office in Kiev. Police dismantled or blocked off several small protest tent camps near key national government buildings in the city.  (Genya Savilov / AFP/Getty Images)

Supporters of Egypt’s ousted President Mohammed Morsi chant slogans against Egyptian Defense Minister Gen. Sisi in Nasr City.  (Hassan Ammar / Associated Press)

A police vehicle is pushed off a bridge by protesters near a large sit-in by supporters of ousted Islamist President Mohammed Morsi in Cairo.  (Aly Hazzaa / Associated Press)

Ultra-right-wing anti-separatist activists perform a fascist salute during a demonstration for the unity of Spain in Barcelona.  (Quique Garcia / AFP/Getty Images)

Bahrain protesters clash with riot police following the funeral of activist Yussef Nashmi, who died while detained by Bahraini authorities.  (Mohammed Al-Shaikh / AFP/Getty Images)

An anti-government protester gives a rose to a Thai soldier at the Defense Ministry during a rally in Bangkok, Thailand.  (Wason Wanichakorn / Associated Press)