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The Telegraph's 50 greatest ever works of art

Includes one of the best paintings ever, Las Meninas by Velázquez, which is ace. They say:

Here, Velázquez created an incomparable simulacrum of space, light, cloth, people, dogs, and himself at work on a large canvas - an illusion of the artist creating an illusion. What exactly is Velázquez representing on that canvas? Is it the king and queen, reflected in the mirror? Are they standing in the same position as us, the viewers? This, as a contemporary remarked, is the "theology of painting" - a meditation on art and reality.

See the full list here