ano . ▁Similar ▁doors ▁are ▁at ▁Sal erno ; ▁and ▁St ▁Mark ' s , ▁Ven ice , ▁also ▁has ▁doors ▁of ▁Greek ▁origin . ▁ ▁Germany ▁▁ ▁The ▁period ▁of ▁the ▁icon oc last s ▁synchron ised ▁with ▁the ▁reign ▁of ▁the ▁Frank ish ▁em peror ▁Char lemagne , ▁whose ▁power ▁was ▁felt ▁throughout ▁western ▁Europe . ▁Some ▁of ▁the ▁craft s men ▁who ▁were ▁forced ▁to ▁leave ▁By z ant ium ▁were ▁wel com ed ▁by ▁him ▁in ▁his ▁capit als ▁of ▁C ologne ▁and ▁A ix - la - Ch ap elle ▁and ▁their ▁influence ▁was ▁also ▁felt ▁in ▁France . ▁Another ▁stream ▁passed ▁by ▁way ▁of ▁the ▁Mediter rane an ▁to ▁Italy , ▁where ▁the ▁old ▁classical ▁art ▁had ▁decay ed ▁ow ing ▁to ▁the ▁many ▁national ▁cal am ities , ▁and ▁here ▁it ▁brought ▁about ▁a ▁rev ival . ▁In ▁the ▁Rh in eland ▁and ▁elsewhere ▁in ▁Europe ▁the ▁terms ▁" R hen ish - By z antine " ▁and ▁" R oman es que " ▁applied ▁to ▁architecture ▁and ▁works ▁of ▁art ▁generally , ▁test ify ▁to ▁the ▁proven ance ▁of ▁the ▁style ▁of ▁this ▁and ▁the ▁succeed ing ▁period . ▁The ▁bronze ▁par ap et ▁of ▁A achen ▁C athedral ▁is ▁of ▁classic ▁design ▁and ▁date ▁probably ▁from ▁Char lemagne ' s ▁time . ▁ ▁All ▁through ▁the ▁Middle ▁A ges ▁the ▁use ▁of ▁bronze ▁continued ▁on ▁a ▁great ▁scale , ▁particularly ▁in ▁the ▁ 1 1 th ▁and ▁ 1 2 th ▁centuries . ▁Bern