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In page Witches' Sabbath (The Great He-Goat):

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This can be seen in both The Dog from the same series, and his print Unfortunate events in the front seats of the ring of Madrid, and the death of the Mayor of Torrejón, where he left large empty areas. This seems to have been a reaction against contemporary conventions of balance and harmony,[6] and was a precursor to works by modern artists such as Francis Bacon, who greatly admired Goya's depiction of what Bacon described as "the void".[7]