Etchmiadzin Cathedral is the mother church of the Armenian Apostolic Church, located in the city dually known as Etchmiadzin (Ejmiatsin) and Vagharshapat, Armenia. It is usually considered the first cathedral built in ancient Armenia, and often regarded the oldest cathedral in the world.
An engraving of Etchmiadzin in the late 17th century by Jean Chardin (from 1811 edition)․
A 1783 watercolor of the churches of Etchmiadzin by Mikhail Matveevich Ivanov. From left to right: Hripsime, Gayane, Etchmiadzin Cathedral, and Shoghakat.
Painting of the cathedral by an unknown European artist (1870s)
Cruciform is a term for physical manifestations resembling a common cross or Christian cross. The label can be extended to architectural shapes, biology, art, and design.
Peterborough Cathedral
Librarian Humfrey Wanley holding a facsimile copy of a cruciform Greek manuscript (Lectionary 150)
Jetstream 31 with cruciform tail