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A woman walks past a graffiti covered caravan at a protest camp set up close to the entrance of the IGas exploratory gas drilling site at Barton Moss, near Manchester...A woman walks past a graffiti covered caravan at a protest camp set up close to the entrance of the IGas exploratory gas drilling site at Barton Moss, near Manchester, northern England, March 6, 2014. Britain may be a prime location for shale gas exploration in Europe, but a lack of onshore drilling infrastructure and local opposition will impede development, experts and geologists said at a shale conference in London.

Phil Noble/Reuters

A woman walks past a graffiti covered caravan at a protest camp set up close to the entrance of the IGas exploratory gas drilling site at Barton Moss, near Manchester, northern England. Britain may be a prime location for shale gas exploration in Europe, but a lack of onshore drilling infrastructure and local opposition will impede development, experts and geologists said at a shale conference in London.

Venezuelans Loyal To Former President Hugo Chavez Prepare To Mark One Year Anniversary Of His Death...CARACAS, VENEZUELA - MARCH 04:  A worker passes a mural of Hugo Chavez at the military barracks where the former Venezuelan president is entombed on March 4, 2014 in Caracas, Venezuela. Workers made last minute preparations for Wednesday's ceremony marking the first anniversary of Chavez' death on March 5, 2013. The anniversary has been marred by three weeks protests against the government of Chavez' chosen successor Nicolas Maduro. (Photo by John Moore/Getty Images)

John Moore/Getty

A worker passes a mural of Hugo Chavez at the military barracks where the former Venezuelan president is entombed in Caracas, Venezuela. Workers made last-minute preparations for Wednesday’s ceremony marking the first anniversary of Chavez’s death. The anniversary has been marred by three weeks of protests against the government of Chavez’s chosen successor, Nicolas Maduro.

Demonstrators take cover from a police water cannon as fireworks, thrown by other protesters, explode around them during a demonstration against the opening of a new road including a part of the Middle East Technical University campus in Ankara...Demonstrators take cover from a police water cannon as fireworks, thrown by other protesters, explode around them during a demonstration against the opening of a new road including a part of the Middle East Technical University campus in Ankara February 25, 2014. Erdogan opened the road across the Middle East Technical University campus and uprooting a large number of trees in the area in Ankara on Tuesday.

Umit Bekta/Reuters

Demonstrators take cover from a police water cannon as fireworks, thrown by other protesters, explode around them during a protest against the opening of a road that intersects part of the Middle East Technical University campus in Ankara.

Firemen spray their water cannon at protesters who are forcing their way closer to U.S. Embassy in Manila, Philippines, Tuesday, Feb. 25, 2014 during a protest against the forthcoming visit of U.S. President Barack Obama. The protesters were also calling for the pullout of U.S. troops in the country under the Visiting Forces Agreement

Bullit Marquez/AP

Firemen spray a water cannon at protesters forcing their way towards the US embassy in Manila on Tuesday during a protest against the forthcoming visit of US president Barack Obama. The protesters were also calling for the pullout of US troops in the country under the Visiting Forces Agreement.

Soldiers hand out bottles of water to anti-government protesters through a barbed-wire fence at a Defence Ministry compound in north Bangkok...Thai soldiers hand out bottles of water to anti-government protesters through a barbed-wire fence at a Defence Ministry compound serving as a temporary office for Thai Prime Minister Yingluck Shinawatra in north Bangkok February 19, 2014. Protesters seeking to oust Yingluck rallied at her temporary office on Wednesday, but the premier stayed away from the potential flashpoint a day after five people were killed in gunbattles in Bangkok. REUTERS/Athit Perawongmetha

Athit Perawongmetha/Reuters

Soldiers hand out bottles of water to anti-government protesters through a barbed-wire fence at a Defence Ministry compound serving as a temporary office for Prime Minister Yingluck Shinawatra in north Bangkok, Thailand. Protesters seeking to oust Yingluck rallied at the office on Wednesday, but the premier stayed away from the potential flashpoint, a day after five people were killed in gun battles in the city. Read more

Bahraini anti-government protesters wait for riot police between clashes in the debris-filled main street of Malkiya, Bahrain, Thursday, Feb. 13, 2014. Rubbish and oil smeared on the road are meant to deter police jeeps from entering the village, where shops were shuttered in observance of a general strike called by anti-government groups in the run-up to Friday's third anniversary of the pro-democracy uprising in the Gulf island kingdom.

Hasan Jamali/AP

Anti-government protesters wait for riot police between clashes in the debris-filled main street of Malkiya, Bahrain. Rubbish and oil smeared on the road are meant to deter police jeeps from entering the village, where shops were shuttered in observance of a general strike called by opposition groups in the run-up to Friday’s third anniversary of the pro-democracy uprising in the Gulf kingdom.

Port workers demonstrate outside the customs building in Buenos Aires, Argentina, Wednesday, Feb. 12, 2014. The protesters say the government is not paying retired port workers their state pension plan, affecting over 1,000 of their union members.

Victor R. Caivano/AP

Port workers demonstrate outside the customs building in Buenos Aires, Argentina. The protesters say the government is not paying retired port workers their state pension plan, affecting over 1,000 of their union members.

African asylum seekers gesture during a protest outside the Ministry of Interior in Tel Aviv, Israel, 11 February 2014. Over 1,000 African migrants, which mostly arrive from Eritrea and Sudan, marched from southern Tel Aviv's Levinski Park to the Ministry of Interior. The asylum seekers are protesting since weeks  against Israel's refusal to grant them refugee status and the opening of 'Holot', the new detention facility in the country's south.

Oliver Weiken/EPA

African asylum seekers gesture during a protest outside the Ministry of Interior in Tel Aviv, Israel. Over 1,000 African migrants, which mostly arrive from Eritrea and Sudan, marched from southern Tel Aviv’s Levinski Park to the Ministry of Interior.

A rice farmer reacts to speeches during a protest demanding payment of a rice subsidy program from the government outside the Permanent Secretary for Defense in Bangkok, Thailand, Monday, Feb. 10, 2014. An ambitious rice buying program that Thailand's ruling party hoped would uplift millions of its poor rural supporters may end up helping to bring down the increasingly cornered government.

Wally Santana/AP

A rice farmer reacts to speeches during a protest demanding payment of a rice subsidy from the government outside the office of the permanent secretary for defense in Bangkok, Thailand. The ambitious rice-buying programme was intended by Thailand’s ruling party to uplift millions of its poor rural supporters

Protesters dance at a crossroad in Hebron, near Pretoria, on February 7, 2014 during a protest for basic government services. South African police fired stun grenades, tear gas and rubber bullets on February 6, 2014 to disperse thousands of rioters demanding basic government services in communities near Pretoria and Johannesburg. Security forces were deployed to several flashpoints in Gauteng province as protesters blocked streets and set ablaze police stations and other municipal buildings as well as tyres.

Marco Longari/AFP

Protesters dance at a crossroad in Hebron, near Pretoria, on Friday during a protest for basic government services. South African police fired stun grenades, tear gas and rubber bullets on Thursday to disperse thousands of rioters demanding basic government services in communities near Pretoria and Johannesburg.