the film show relation of the die mother and and the son and who be very attached to her and and definitely love her . what do it show . it show their living in very poor condition . it show how tenderly they walk ( really he be bring her ) . but what do we see far . after their promenade he walk alone at the same place and where they walk together . it be not possible . a person and who love and care about another die one and would do everything to make the life of this one good . he would not have a free minute to ponder and to be alone with oneself and and if he find a few minute a month for that and he would run away from the place where he have usually to be . another thing . the author devote this film to andrey tarkovsky . we see he learn many tarkovsky visual effect . but in sokurov film they be only effect and they do not support any sens or mood . someone have compare this film with mirror ( zerkalo ) . there be nothing common except these visual effect . mirror be a great film and this one be just poor imitation .