On the stage of the Palace of Irina Viner, the audience was presented a musical and plastic production dedicated to the heroes of the Fatherland, the memory of generations, honor, valor and strength of spirit.   The project brought together sports stars, soloists of the world opera scene from the Bolshoitheater and the Mariinsky Theater, symphony orchestra, rhythmic gymnastics, modern choreography, theatrical art and artificial intelligence technologies.   The audience called the production one of the most powerful and touchingholiday weekend events.