Analysing the iconography in the painting, one Guernica scholar, Anthony Blunt, divides the protagonists of the pyramidal composition into two groups, the first of which is made up of three animals the bull, the wounded horse and the winged bird that can just be made out in the background on the left.

Guernica has attracted a number of controversial interpretations, doubtless due in part to the deliberate use in the painting of only greyish tones. The muted colours, the intensity of each and every one of the motifs and the way they are articulated are all essential to the extreme tragedy of the scene, which would become the emblem for all the devastating tragedies of modern society. The huge picture is conceived as a giant poster, testimony to the horror that the Spanish Civil War was causing and a forewarning of what was to come in the Second World War. Despite that, neither the studies nor the finished picture contain a single allusion to a specific event, constituting instead a generic plea against the barbarity and terror of war. Pablo Picasso’s motivation for painting the scene in this great work was the news of the German aerial bombing of the Basque town whose name the piece bears, which the artist had seen in the dramatic photographs published in various periodicals, including the French newspaper L'Humanité. An accurate depiction of a cruel, dramatic situation, Guernica was created to be part of the Spanish Pavilion at the International Exposition in Paris in 1937.

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