The statuettes show the personalities with their trousers down in the act of defecating. They have been sold in Catalonia around Christmas since the 18th century, when they were placed in nativity scenes in the hope of bringing good luck and a rich harvest. The price range is between 12 and 14 euros (15 to 18 dollars)
The original caganer, which literally translated from Catalan means "the fertilizer", was a man wearing a red and black hat and peasant costume shown performing his biological functions. It was believed that his fertile deposits in the soil of the nativity scene would bring a rich harvest.
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photos - http://news.yahoo.com/nphotos/Caganer-Figurines/ss/events/lf/120908caganerstatues;_ylt=Aso2idZvWKVxqWEluyY_0jL2_sEF#photoViewer=/081207/photos_lf_afp/893850f2c8d3af7722148e4b9837a317