. ▁Thus , ▁it ▁was ▁possible ▁to ▁create ▁ 3 D ▁models ▁of ▁real ▁actors , ▁which ▁then ▁filled ▁the ▁frame . ▁And ▁if ▁during ▁the ▁shooting ▁of ▁mass ▁scenes ▁on ▁the ▁site ▁there ▁were ▁ 3 0 0 - 5 0 0 ▁artists , ▁then ▁on ▁the ▁screen ▁there ▁will ▁be ▁several ▁times ▁more . ▁ ▁For ▁a ▁year ▁and ▁a ▁half , ▁the ▁entire ▁production ▁process ▁was ▁recorded ▁on ▁a ▁ 3 6 0 - deg ree ▁camera ▁S amsung ▁ 3 6 0 ▁Round . ▁This ▁is ▁the ▁first ▁such ▁experience ▁in ▁Russian ▁cinema . ▁With ▁the ▁help ▁of ▁computer ▁graphics , ▁Saint ▁Petersburg ▁was ▁re created ▁in ▁the ▁first ▁third ▁of ▁the ▁ 1 9 th ▁century : ▁Saint ▁Isaac ' s ▁C athedral ▁stands ▁in ▁the ▁woods , ▁because ▁then ▁it ▁was ▁only ▁being ▁built , ▁and ▁the ▁Winter ▁Palace ▁was ▁pale ▁ter rac otta ▁in ▁color . ▁ ▁Sound track ▁ ▁On ▁December ▁ 1 8 , ▁ 2 0 1 9 , ▁the ▁main ▁movie ▁premi ere ▁of ▁the ▁year , ▁the ▁film ▁Union ▁of ▁Salv ation , ▁was ▁held ▁in ▁Moscow . ▁The ▁musical ▁design ▁of ▁the ▁picture ▁was ▁done ▁by ▁N avigator ▁Records ▁( ru ). ▁ ▁The ▁famous ▁film ▁composer ▁D mit ri y ▁Em ely an ov ▁( ru ) ▁worked ▁on ▁the ▁sound track ▁for ▁the ▁Union ▁of ▁Salv ation . ▁D mit ry ’ s ▁original ▁author ’ s ▁compos itions ▁sound ▁in ▁the ▁film , ▁including ▁the ▁title ▁theme