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![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.](https://gdb.voanews.com/40decc37-81a9-411a-a8f3-e780a1109505_w1024_q10_s.jpg)
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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.