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Keywords from Image Description:
pvda joop den uyl joopdenuyl ahoy rotterdam mei viering meiviering labour day labourday dag van de arbeid dagvandearbeid nationaal archief nationaalarchief labourparty blackandwhite monochrome black and white Nationaal Archief Beschrijving Landelijke meiviering PvdA in Ahoyhal in Rotterdam Den Uyl tijdens zijn rede National celebration