Yesterday was held in Murcia, and in some capitals across Spain, and in the world (80 countries), the International Workers' Day. The theme of this year it has been: "for the protection of pensions, social protection and reform the financial system".
About the photo, the end of the demonstration in Murcia. The banner reads: "Employment, pensions, wages! They defend fighting".
If you want to know more about the origin of this celebration of the working class, here (wikipedia).
I build up the celebrations and today I should have post, perhaps, another photo. Today is also the Mother's Day in Spain (as every first Sunday in May). Congratulations to all mothers, and in particular, to mine and my wife (who is).