A group of dancers performs in Moscow's Manezhnaya Square during a festival of children's arts on May 26 to mark International Children's Day. (Photos: VCG)

A group of dancers performs in Moscow's Manezhnaya Square during a festival of children's arts on May 26 to mark International Children's Day.

Girls watch a performance in Moscow's Manezhnaya Square during a festival of children's arts on May 26 to mark International Children's Day.

Girls in costumes perform on May 26 in Moscow's Manezhnaya Square during a festival of children's arts on May 26 to mark International Children's Day.

Girls in ballet skirts perform in Moscow's Manezhnaya Square during a festival of children's arts on May 26 to mark International Children's Day.

Girls in ballet skirts perform in Moscow's Manezhnaya Square during a festival of children's arts on May 26 to mark International Children's Day.