Géricault's masterpiece, raft of the medusa, fits the definition of sublime because

Sublime arts refer to those that display greatness beyond all possibility of measurement or imitation

The Raft of Medusa tell the story of the victims of ship accident who floated in the middle of the sea for 13 days before being found. Only 15 people from 147 survived in this tragedy after experienced massive dehydration and practiced cannibalism. 

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