Russian President Vladimir Putin and Kazakh President Kassym-Jomart Tokayev, accompanied by Russian conductor, Artistic and General Director of the Mariinsky Theatre, General Director of the Bolshoi Theatre Valery Gergiev, Kazakh Culture and Information Minister Aida Balayeva and Russian Culture Minister Olga Lyubimova, arrive to attend a gala concert by Kazakhstan's artists at the Bolshoi Theatre in Moscow, Russia.