President of the Russian Rhythmic Gymnastics Federation Irina Viner-Usmanova, foreground, and Olympic champions in rhythmic gymnastics Anastasia Blizyuk, Alina Kabaeva and Margarita Mamun at the official opening ceremony of the Irina Viner-Usmanova's Gymnastics Center and Russia's first sports and education cluster, Novogorsk Olympic Village.
