A man plays bagpipes during the Domingo Fareleiro festival in the village of Xinzo de Limia, north-western Spain.
Photograph: Miguel Riopa/AFP/Getty Images
Hundreds of kilos of flour are given away before the battle.
Photograph: Miguel Riopa/AFP/Getty Images
The throwing of flour is seen as a kind of purification ritual.
Photograph: Miguel Riopa/AFP/Getty Images