▁pav il ions . ▁For ▁the ▁mass ▁scene ▁of ▁the ▁u pr ising ▁on ▁December ▁ 1 4 , ▁ 1 8 2 5 , ▁the ▁largest ▁pav il ion ▁in ▁the ▁country ▁with ▁an ▁area ▁of ▁more ▁than ▁ 4 0 ▁thousand ▁m 2 ▁was ▁equ ipped . ▁Specifically ▁for ▁this ▁purpose , ▁a ▁chrom ake y ▁was ▁se wn , ▁which ▁actually ▁covered ▁the ▁entire ▁building ▁from ▁the ▁inside . ▁Full - scale ▁shooting ▁took ▁place ▁on ▁Palace ▁Square , ▁in ▁the ▁Peter ▁and ▁Paul ▁Fort ress , ▁Ts ar sko ye ▁S elo , ▁Y us up ov ▁Palace ▁and ▁Saint ▁Michael ' s ▁Castle . ▁The ▁Grand ▁G atch ina ▁Palace , ▁the ▁town ▁of ▁G atch ina , ▁L ening rad ▁O blast . ▁ ▁For ▁film ing ▁were ▁made ▁exact ▁copies ▁of ▁a ▁ 1 2 - p ound er ▁guns ▁of ▁the ▁sample ▁in ▁ 1 8 0 6 ▁year , ▁which ▁were ▁used ▁in ▁the ▁war ▁with ▁Napoleon , ▁and ▁then ▁in ▁the ▁Senate ▁square ▁during ▁the ▁u pr ising . ▁ ▁The ▁b ann ers ▁of ▁the ▁re bel ▁reg iments ▁in ▁the ▁film ▁exactly ▁repeat ▁the ▁standards ▁of ▁the ▁reb els . ▁It ▁took ▁at ▁least ▁a ▁month ▁to ▁create ▁one ▁canvas ▁manually . ▁ ▁During ▁the ▁film ing ▁of ▁the ▁clim ax , ▁the ▁Senate ▁square ▁in ▁Saint ▁Petersburg ▁was ▁free zing ▁- ▁the ▁air ▁temperature ▁dropped ▁to ▁- 2 4 ▁° ▁C , ▁which ▁felt ▁like ▁- 3 0 ▁° ▁C