An ambulance drives past marching protesters, center right, as protesters march along Quiapo district, alongside an effigy depicting Philippine...
Demonstrators march from Union Square to Foley Square during an immigration reform rally on May 1, 2007 in New York City. The protest was one of many...
Demonstrators march from Union Square to Foley Square during an immigration reform rally on May 1, 2007 in New York City. The protest was one of many...
Demonstrators march from Union Square to Foley Square during an immigration reform rally on May 1, 2007 in New York City. The protest was one of many...
Demonstrators in support of immigrant's rights march from an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest...
Anti-immigration demonstrators protest across the street from an immigration reform rally in Union Square May 1, 2007 in New York City. The protest...
Demonstrators protest during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the...
Demonstrators protest during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the...
Demonstrators protest during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the...
Demonstrators protest during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the...
Woman prays during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the country...
Demonstrators protest during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the...
Woman prays during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the country...
Demonstrators protest during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the...
Demonstrators protest during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the...
Demonstrators in support of immigrant's rights march from an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest...
Demonstrators protest during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the...
Woman prays during an immigration reform rally in Union Square on May 1, 2007 in New York City. The protest was one of many held around the country...
Anti-immigration demonstrators protest across the street from an immigration reform rally in Union Square May 1, 2007 in New York City. The protest...
Billboard showing a portrait of French presidential right-wing candidate Nicolas Sarkozy is held by a demonstrator during the traditional May Day...
Protesters make a "V" from a police car after Turkish riot policemen detain them during May Day demonstration at Taksim Square, downtown Istanbul, 01...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participating in a May Day march paste missing person posters on the front of the Mexican Consulate on May 1, 2015 in Chicago,...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participating in a May Day march paste missing person posters on the front of the Mexican Consulate on May 1, 2015 in Chicago,...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Woman watches as demonstrators participating in a May Day march pass by her home on May 1, 2015 in Chicago, Illinois. The demonstration was one of...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Demonstrators participate in a May Day march on May 1, 2015 in Chicago, Illinois. The demonstration was one of many around the world on what has...
Protesters make a "V" from a police car after Turkish riot policemen detain them during May Day demonstration at Taksim Square, downtown Istanbul, 01...
South Korean workers hold flags during a May Day protest in Seoul May 1, 2003. Tens of thousands South Korean union members gathered across the...
South Korean workers shout slogans during a May Day protest in Seoul, May 1 2003. Tens of thousands South Korean union members gathered across the...
South Korean workers hold flags during a May Day protest in Seoul May 1, 2003. Tens of thousands South Korean union members gathered across the...
South Korean workers shout slogans as they show banners reading 'Let's change the world by stopping transportation!' during a May Day protest in...
South Korean worker puts a noose around his neck to represent discrimination against irregular workers during an May Day protest in Seoul May 1,...
South Korean worker attends a May Day protest in Seoul May 1, 2003. Tens of thousands South Korean union members gathered across the country for May...
South Korean worker shouts slogans during a May Day protest in Seoul May 1, 2003. Tens of thousands South Korean union members gathered across the...
Colombian flag with blood on it, is held by a protester during the national strike, in Plaza de Los Heroes . On the 28th of May, a month after the...
Billboard showing a portrait of French presidential right-wing candidate Nicolas Sarkozy is held by a demonstrator during the traditional May Day...