Thousands of laborers singing as a band Slank show at Labour Day or May Day, at the Bung Karno, Senayan, Jakarta, Tuesday (1/5). The action of thousands of workers starting from HI roundabout heading longmarch to Palace. They urged the government to raised the fate of labor by removing the contract labor system. Action followed the workers to the Bung Karno Stadium. Overall this year's warning to run smoothly and safely. Photo: VIVAnews / Nurcholis Anhari Lubis viva