May Day, or International Worker's Day is May 1st and groups worldwide held protests or celebrated the spring festival. Concerns such as better working conditions and ending corruption in the government are voiced on this labor holiday.
Protesters shield themselves as riot police use water cannon to disperse them during a May Day demonstration in Istanbul May 1. Turkish police fired water cannon and tear gas on Thursday to prevent hundreds of protesters from defying a ban on May Day rallies and reaching Istanbul's central Taksim Square, the focal point of weeks of protests last summer. (Yagiz Karahan/Reuters)
Anti-government protesters holding a national flag walk past a mural depicting Venezuela's President Nicolas Maduro (R) and Venezuela's late president Hugo Chavez during a May Day demonstration in Caracas May 1
Riot police stand in front of a banner which reads, "First of May" during Labor Day demonstrations in Bogota May 1
Workers from the militant labor organization Kliusang Mayo Uno (May 1st Movement) dance around a burning effigy of Philippine President Benigno Aquino III to mark the Labor Day celebrations on May 1 near the Presidential Palace in Manila, Philippines
Union members celebrate May Day at the ''Vale do Anhangabau''on May 1 in Sao Paulo, Brazil. Labor Day celebrations were attended by politicians and concerts of famous musicians.
A woman in Aztec dress weeps following a May Day march to Westlake Park May 1, in Seattle, Wash.
Pro-government Comunist (L) and anarchist (R) movement demonstrators clash during May Day demonstration in Santiago, May 1.
Members of workers' unions attend a May Day protest in Belgrade, Serbia, May 1. Various labor groups staged a protest in Belgrade in order to voice their concern over the expected austerity measures announced by Serbia's new government.
Ukraine police officers argue with a pro Russia activist while the government building is been stormed, after a pro Russia demonstration during International Worker's Day in Donestsk, Ukraine, May 1.
Anti-riot policemen clash with demonstrators in Turin during one of several rallies against unemployment and austerity in Italy for May Day, on May 1. Activists lobbed smoke bombs at police, who charged against the demonstrators in an industrial city that has been badly hit by a painful two-year recession. Thousands also took part in a peaceful demonstration called by the main trade unions in Pordenone, where the closure of a nearby washing machine plant owned by Sweden's Electrolux is putting 1,300 jobs at risk
People demonstrates along the reflecting pool at the Place de la Bourse in Bordeaux, western France, during a May Day rally on May 1.
People enjoy during the concert for the International Labour Day in San Giovanni's square in Rome, Italy, May 1. Labour Day, also known as International Worker's Day or May Day is an annual holiday celebrated all over the world that resulted from efforts of the labor union movement, to celebrate the economic and social achievements of workers.
Workers participate during a march to commemorate International Labor Day in San Salvador, El Salvador, May 1. The demonstrators called for more working rights, more jobs, and better salaries.
Activists shout slogans during a May Day march in Buenos Aires, Argentina, May 1.
A woman looks on as men in traditional Bavarian dress erect a maypole on May 1, in Grossweil near Garmisch-Partenkirchen, southern Germany. The raising of a maypole is a May Day custom in Germany and Austria and goes back to the 16th century. Traditionally, the event is followed by a May dance around the pole.
People participating in a May Day march shout slogans as they walk through Chicago, Illinois, USA, May 1.
Tourists take a 'selfie' picture as demonstrators burn a trash container during a May Day rally in Barcelona, Spain, May 1. Tens of thousands of workers marked May Day in European cities with a mix of anger and gloom over austerity measures imposed by leaders trying to contain the eurozone's intractable debt crisis.
La unica marcha Obligatoria por el Primero de mayo
Thousands file through a street during a May Day march to Revolution Plaza in Havana, Cuba, May 1. Cuba marks each May Day not with protests but with massive marches organized by workplaces, schools and government
A worker shout slogans during a May Day rally outside the presidential palace in Jakarta, Indonesia, May 1.
Aymara's women gather during a May Day demonstration on Labour Day in La Paz May 1
Riot Police clash with protestors during the 'Revolutionary' May Day demonstration on May 1 in Hamburg, northern Germany.
Indonesians workers sit behind barbed-wire during a protest demanding higher wages on May Day on May 1, in Surabaya, Indonesia.
People march through downtown Los Angeles supporting immigrant rights during a May Day march on May 1, in Los Angeles, California. Thousands gathered for the annual event, this year's march themed "Keeping families together," emphasizing the goal of ending deportations that split parents from their children.
Riot police clash with left-wing protesters during a march in the annual Revolutionaerer 1. Mai (Revolutionary May 1st) demonstration in the Kreuzberg district on May Day on May 1, in Berlin, Germany. Several thousand protesters took part in the march that in years past has been plagued by violent clashes between marchers and police