Aside from the reasons previously mentioned, the church of S. Hovhannes is important architecturally because it is thought to have been a prototype of Saint Hripsime Church completed later in the year 618.
He completely renovated the Cathedral at the Holy See of Etchmiadzin and constructed the Church of St. Hripsime, which stands to this day.
Being a young sculptor, in 1964, Suren Nazaryan received permission from Catholicos of All Armenians, Vazgen I, to create the bas-reliefs of the five most important and famous cathedrals of Armenian architecture (St. Hripsime, Etchmiadzin, Zvartnots, Holy Cross Akhthamar, and Ani) for the throne hall of Catholicos’s residence.
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