Mehnatkashlar kuni

Members of Russian Trade Unions march during the May Day celebration in Red Square, Moscow, Russia, on Thursday, May 1, 2014.

About a hundred people with flags of the self-proclaimed Donetsk People's Republic, as well as Sevastopol and Russian Imperial flags and big Russian flag gather in a rally in Moscow's Gorky Park on May Day, May 1, 2014.

Labor rights activists shout while holding signs reading "Forbid Temporary Worker Services" during a rally for labor rights on international Labor Day in Taipei, Taiwan, May 1, 2014.

Workers carry a flag depicting a yellow ribbon as a sign of hope for the safe return of missing passengers of the sunken ferry Sewol during a May Day rally to pay tribute to the victims of the accident in Seoul, South Korea, Thursday, May 1, 2014.

Members and supporters of the Lithuanian social democratic party and trade unionists take part in a May Day parade, May 1, 2014 in Vilnius. All across Europe, people flocked the streets to celebrate the International Labour Day, or May Day.

Protesters hold banners and placards during a protest outside a Nike shop at a shopping mall during Labor Day in Hong Kong, May 1, 2014 to support workers on strike at Yue Yuen Industrial Holdings Ltd. in China.

Supporters of the Iraqi Communist Party chant slogans during an International Worker's Day, or Labour Day, rally in Baghdad, May 1, 2014.

An elderly couple dances as local citizens gather to mark May Day in Slovyansk, eastern Ukraine, Thursday, May 1, 2014. Russian state news media were quick to dismiss the protests as the work of Ukrainian neo-Nazis, a particularly loaded accusation becaus

Local citizens march to mark May Day in the central square in Slovyansk, eastern Ukraine, Thursday, May 1, 2014. Russian state news media were quick to dismiss the protests as the work of Ukrainian neo-Nazis, a particularly loaded accusation because Ukrai

A man walks in front of a flight board at Kuala Lumpur International Airport 2 (KLIA2) in Sepang, Apr. 30, 2014.

Ignacio Fernandez Toxo (2nd L) and Candido Mendez (2nd R), general secretaries of Spain's leading trade unions CCOO and UGT, march as they are flanked by Basque CCOO and UGT leaders Unai Sordo (L) and Raul Arza during May Day celebrations in Bilbao, May 1