As a matter of fact, it was because of discrimination against a black dancer, Catherine Dunham, that created one of the first anti-discrimination laws from a case that she had in Rio.

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Ms. Guillem's "partner" here was Elias Benxon's black-and-white film that first revealed the dancer as if looking through an Alice-in-Wonderland keyhole and eventually suggested that she had emerged from the silvery film in full color to dither around the screen and stage.

WSJ: Sylvie Guillem | Leaving Ballet Behind | Dance Review by

King Papa and King of the Goblin, performed by the same dancer (rangy John Welker), are costumed similarly in gold-trimmed black jumpsuits and are missing the crowns one would expect as a sign of their stations.

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All eyes are on the woman in the centre, who gyrates to the rhythm wearing an outfit that is part punk, part belly-dancer: nose-ring, five-inch platform boots, ankle bells, black bodysuit, sequinned bikini top and a flowing pink skirt.

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The reports earned the Bolshoi incidents comparison to the psychological thriller "Black Swan, " in which Natalie Portman's character slowly unravels as she tries to compete with another dancer who she thinks is trying to steal her role.

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