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People demonstrate at Sarachane square as they try to reach Taksim Square to defy a ban to celebrate May Day on May 1, 2018 in Istanbul. / AFP / GURCAN OZTURK
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People attend a May Day rally on May 1, 2018 on the Anatolian side of Istanbul in Maltepe. Istanbul police on May 1 detained over 50 people and placed a security lockdown on the city as the Turkish metropolis marked a tense May Day. / AFP / BULENT KILIC
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A woman paints the Communist symbol of the hammer and sickle on the face of a Lebanese Communist Party supporter during a march celebrating the International Labour Day in the Lebanese capital Beirut on May 1, 2018. / AFP / ANWAR AMRO
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People attend a street party in Goerlitzer Park, marking the May Day in the Kreuzberg district in Berlin, Germany, May 1, 2018. REUTERS/Fabrizio Bensch
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Indonesian workers take part in a May Day rally in Surabaya on May 1, 2018. Thousands of Indonesian workers took to the streets on May 1 to demand better working conditions and welfare. / AFP / JUNI KRISWANTO
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People wave flags on the French Communist Party (Parti Communiste Francais) as they take part in a march for the annual May Day workers' rally, in Paris, on May 1, 2018. / AFP / GEOFFROY VAN DER HASSELT
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Supporters of Armenian opposition leader Nikol Pashinyan wait for the results of the parliament's election of an interim prime minister in central Yerevan, Armenia May 1, 2018. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY
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People attend a May Day rally in Simferopol, Crimea May 1, 2018. REUTERS/Eduard Korniyenko
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People shout slogans during a May Day rally in Istanbul, Turkey May 1, 2018. REUTERS/Osman Orsal
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Supporters of the main opposition Republican People's Party (CHP) shout slogans during a May Day rally in Istanbul, Turkey May 1, 2018. REUTERS/Osman Orsal
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Activists and supporters of Russia's left-wing parties and movements march during a May Day rally in downtown Moscow on May 1, 2018. / AFP / Yuri KADOBNOV
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Members of the Powderkeg Morris Dancers dance atop the Windgather Rocks at High Peak in Derbyshire before sunrise on May 1, 2018. The Powderkeg Morris dancers perform an annual dance atop the Windgather Rocks at sunrise, as part of an ancient Celtic festival celebrated on May Day or the beginning of summer. / AFP / Lindsey Parnaby
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A vehicles with a balloon of the French labour union Solidaires Sud Sante drives among demonstrators waving flags and holding banners during a march for the annual May Day workers' rally, in Paris, on May 1, 2018. / AFP / GEOFFROY VAN DER HASSELT
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A poster with an image of former Cuban president Raul Castro is seen amid the crowd during the May Day rally at Revolution Square in Havana on May 1, 2018. / AFP
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A red fist shaped in paper mache is pictured among protestors dressed in black and with the face covered during a march for the annual May Day workers' rally, in Paris, on May 1, 2018. / AFP / Alain JOCARD
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People attend a Myfest festival marking the May Day in the Kreuzberg district in Berlin, Germany, May 1, 2018. REUTERS/Fabrizio Bensch
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TOPSHOT - People holding balloons and flags parade during a traditional May Day demonstration in the Crimean city of Simferopol on May 1, 2018. / AFP / STR
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A child walks at the hand of a woman as people attend a May Day rally on May 1, 2018 on the Anatolian side of Istanbul in Maltepe. Istanbul police on on May 1 detained over 50 people and placed a security lockdown on the city as the Turkish metropolis marked a tense May Day. / AFP / BULENT KILIC
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Workers and union members hold banners and flags of the General Workers Union (UGT) and Comisiones Obreras (CCOO) during a march on May Day labour day activities in Madrid, Spain May 1,2018. REUTERS/Javier Barbancho
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Supporters of right-wing parties, National Democratic Party, known by its German initials NPD, and 'Die Rechte' (The Right) demonstrate under the theme 'Greater justice for all Germans' during a rally at the May Day in Erfurt, Germany, Tuesday, May 1, 2018.. (AP Photo/Jens Meyer)
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People attend a street party in Goerlitzer Park, marking the May Day in the Kreuzberg district in Berlin, Germany, May 1, 2018. REUTERS/Fabrizio Bensch
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South African Communist party members join union members in a Workers Day march in Durban, South Africa, May 1, 2018. REUTERS/Rogan Ward
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TOPSHOT - Indonesian workers take part in a May Day rally in Surabaya on May 1, 2018. Thousands of Indonesian workers took to the streets on May 1 to demand better working conditions and welfare. / AFP / JUNI KRISWANTO
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Protestors dressed in black and with the face covered, hold smoke bombs and a banner reading "Attak" as they take part in a march for the annual May Day workers' rally, in Paris, on May 1, 2018. / AFP / Alain JOCARD
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A woman raises her fist as she sings a revolutionary song titled "The Internationale" during a May Day rally in Malaga, Spain May 1, 2018. REUTERS/Jon Nazca
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NEW YORK, NY - MAY 1: Activists rally against financial institutions' support of private prisons and immigrant detention centers, as part of a May Day protest near Wall Street in Lower Manhattan, May 1, 2018 in New York City. Across the world, people are protesting and marching on the traditional day of workersÕ rights. Drew Angerer/Getty Images/AFP == FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==
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Members of the Powderkeg Morris Dancers dance atop the Windgather Rocks at High Peak in Derbyshire before sunrise on May 1, 2018. The Powderkeg Morris dancers perform an annual dance atop the Windgather Rocks at sunrise, as part of an ancient Celtic festival celebrated on May Day or the beginning of summer. / AFP / Lindsey Parnaby
