s , ▁and ▁roof s . ▁ ▁Architecture ▁and ▁style ▁The ▁opera ▁was ▁constructed ▁in ▁what ▁Charles ▁G arn ier ▁( 1 8 2 5 - 1 8 9 8 ) ▁is ▁said ▁to ▁have ▁told ▁the ▁Em press ▁Eugen ie ▁was ▁ ▁" N ap ole on ▁III " ▁style ▁ ▁The ▁Napoleon ▁III ▁style ▁was ▁highly ▁ec lect ic , ▁and ▁borrow ed ▁from ▁many ▁historical ▁sources ; ▁the ▁opera ▁house ▁included ▁elements ▁from ▁the ▁Bar o que , ▁the ▁classic ism ▁of ▁P all ad io , ▁and ▁Renaissance ▁architecture ▁bl ended ▁together . ▁These ▁were ▁combined ▁with ▁ax ial ▁symmetry ▁and ▁modern ▁techniques ▁and ▁materials , ▁including ▁the ▁use ▁of ▁an ▁iron ▁framework , ▁which ▁had ▁been ▁pione ered ▁in ▁other ▁Napoleon ▁III ▁buildings , ▁including ▁the ▁Bibli othe que ▁N ationale ▁and ▁the ▁mark ets ▁of ▁Les ▁Hall es . ▁ ▁The ▁fa ç ade ▁and ▁the ▁interior ▁followed ▁the ▁Napoleon ▁III ▁style ▁principle ▁of ▁leaving ▁no ▁space ▁without ▁decor ation . ▁G arn ier ▁used ▁pol ych rom y , ▁or ▁a ▁variety ▁of ▁colors , ▁for ▁the atr ical ▁effect , ▁achieved ▁different ▁vari eties ▁of ▁mar ble ▁and ▁stone , ▁por phy ry , ▁and ▁g ild ed ▁bronze . ▁ ▁The ▁fa ç ade ▁of ▁the ▁Opera ▁used ▁sevent een ▁different ▁kinds ▁of ▁material , ▁arranged ▁in ▁very ▁elaborate ▁mult icol ored ▁mar ble ▁fr ie zes , ▁columns , ▁and ▁lav ish ▁stat u ary , ▁many ▁of ▁which ▁port ray ▁de ities