Thanks to Pablo Picasso the world has discovered Henri Rousseau as one of the outstanding primitive painters. The next marvelous discovery for the Europeans was the works of Niko Phirosmani that were exhibited in the Louvre in Paris in 1969. Right from the start they have won the recognition of experts. The connoisseurs compared his paintings to the great canvases of Giotto.

St. Piros of Breti was one of the Asyrian monks who established monastic institute in Georgian reality.
The christian architectural centre of Breti was founded by Holy Father Piros. The architectural complex consists of two churches.

In the decor of the Bichvinta mosaic special attention of scholars was from the beginning attracted by the complex composition of the apse mosaic with the medallion showing the monogram of Christ given at the center, around which doves, blossoming branches of pomegranates and acanthus leave are represented. Below one finds an image of a cow and a calf sucking its milk and a five-line Greek inscription: "for praying of Oreli and all his house".

A distinctive Georgian Christianity, incorporating national ideology as well as religion, developed and spread in medieval Georgia. At this time, according to some, religious and national ideals were not separable One prominent feature of Georgian Christianity is the cult of the warrior saint, in particular, that of St. George, which emerged in the official Georgian Orthodox Church in the 9th century, and which some specialists have linked to the consolidation of the feudal monarchical order and its promotion of an idealized notion of the warrior.