pr ince ) ▁V ak ht ang , ▁carried ▁out ▁rest or ations ▁of ▁the ▁cup ola ▁and ▁stone ▁pl ates ▁of ▁the ▁c athedral ▁walls ▁in ▁ 1 7 1 0 , ▁as ▁it ▁is ▁car ved ▁on ▁the ▁northern ▁wall . ▁Thus , ▁the ▁current ▁t uf a ▁facing ▁of ▁the ▁church ▁comes ▁from ▁that ▁period . ▁However , ▁the ▁church ▁was ▁again ▁dam aged ▁by ▁the ▁invasion ▁of ▁the ▁Pers ians ▁in ▁ 1 7 9 5 . ▁ ▁The ▁c athedral ' s ▁interior ▁took ▁on ▁a ▁different ▁look ▁between ▁ 1 8 5 0 ▁and ▁ 1 8 6 0 , ▁when ▁the ▁Russian ▁artist ▁and ▁general ▁K ny az ▁Gr ig ory ▁G ag arin ▁( 1 8 1 0 – 1 8 9 3 ) ▁composed ▁an ▁interesting ▁series ▁of ▁the ▁mur als , ▁though ▁a ▁number ▁of ▁medieval ▁fres co es ▁were ▁lost ▁in ▁the ▁process . ▁A ▁portion ▁of ▁the ▁mur als ▁on ▁the ▁western ▁wall ▁were ▁executed ▁by ▁the ▁Georg ian ▁artist ▁Le van ▁Ts ut sk ir id ze ▁in ▁the ▁ 1 9 8 0 s . ▁ ▁The ▁stone ▁icon ost asis ▁dates ▁to ▁the ▁ 1 8 5 0 s , ▁and ▁was ▁also ▁created ▁according ▁G . ▁G ag arin ' s ▁design . ▁It ▁replaced ▁the ▁wooden ▁icon ost asis ▁burn ed ▁during ▁the ▁Pers ian ▁invasion ▁in ▁ 1 7 9 5 . ▁To ▁the ▁left ▁of ▁the ▁alt ar ▁is ▁the ▁v ener ated ▁Gra