So ftware ▁using ▁the ▁Apache ▁license <0x0A> </s> ▁The ▁Mem or able ▁sign ▁" Bar rier " ▁() ▁is ▁a ▁ste le ▁in ▁Tag an rog ▁symbol izing ▁the ▁border ▁of ▁the ▁old ▁city . ▁ ▁History ▁ ▁At ▁the ▁beginning ▁of ▁the ▁ 1 7 7 0 s , ▁during ▁a ▁rev ival ▁of ▁Tag an rog , ▁on ▁that ▁place ▁where ▁many ▁ste ppe ▁roads ▁conduct ing ▁in ▁Tro it sk ▁for tr ess ▁met ▁the ▁guard ▁box ▁and ▁a ▁small ▁bar rier ▁was ▁put . ▁Sold iers ▁observed ▁for ▁passing , ▁and ▁later ▁also ▁collect ing ▁a ▁tax ▁on ▁road ▁construction ▁with ▁everyone ▁loaded ▁supplies ▁was ▁made ▁here . ▁Near ▁a ▁city ▁bar rier ▁so - called ▁V je z dn aya ▁Square ▁was ▁formed . ▁ ▁The ▁stone ▁city ▁bar rier ▁was ▁constructed ▁in ▁honor ▁of ▁a ▁victory ▁over ▁Napoleon ▁and ▁is ▁open ▁for ▁a ▁review ▁on ▁September ▁ 2 7 , ▁ 1 8 1 4 . ▁The ▁bar rier ▁at ▁the ▁same ▁time ▁meant ▁city ▁line ▁which ▁passed ▁on ▁this ▁place ▁until ▁the ▁end ▁of ▁the ▁ 1 9 th ▁century . ▁ ▁It ▁was ▁the ▁rare ▁model ▁of ▁engineering ▁art ▁executed ▁in ▁the ▁style ▁of ▁early ▁classic ism . ▁The ▁author ▁of ▁the ▁project ▁is ▁unknown . ▁On ▁both ▁sides ▁of ▁the ▁road ▁there ▁were ▁two ▁identical ▁columns : ▁in ▁the ▁basis ▁— ▁a ▁massive ▁stone ▁square ▁cur bst one , ▁on ▁it ▁the ▁high ▁t etra hed ral ▁py ram id ▁put ▁from ▁a ▁brick