1 plot. - Foreign students studying in Moscow in the House of Friendship are discussing cinematography. Students from Ethiopia, Vietnam, Sri Lanka speak. 2 plot. - Parents who came to Moscow to visit their son recall their military youth. Veterans. Unkown soldiers grave. 3 plot. - Rehearsal of the "Rhythms of the Planet" dance group. Says the artistic director of the ensemble B. Sankin. Dancers warm up at the bar. The audience is applauding.