
Early Morning view of Basilica and Bell Tower

Front of Basilica and it's adjoined Baptistery.
In spite of it's Gothic and Romanesque look, the Patriarchal Basilica of the Virgin and the Saints Hermagorus & Fortunatus, contains the largest and most ancient mosaic floor of the Paleo-Christian era. In 313, soon after the proclamation of the edict of Milan, by Constantine, the then Bishop, Theodore, bought the land and started the construction of a large, complex. four halled church, which is well explained by G. Brumat Dellasorte, (2005, p. 58-61, plans 1-7). It is amazing that the floor of this complex, not only survived, but is now visible, having been largely preserved beneath subsequent alterations and rebuilds..
Portico joining Basilica to Baptistery
Detail of column supporting Portico

General overall view of mosaics, showing the raised walkways which have recently been installed on both sides of the nave, to stop people walking on the mosaics, as was previously done! This is the mosaic floor of the Southern Hall of Theodore (G. Brumat Dellasorte, 2006, plan 2)

The Mosaic dedication Script below the Constantinian Chi Rho shows the following Latin text, translated as: Happy Theodore, that the aid of Almighty God and the flock he has entrusted to you has enabled you to build this church and triumphantly to consecrate it.
A view of the eastern end, with its geometric character.
Faces, birds and fish at the middle of the mosaic area.
Together with more figurative panels

Hawking & other activities
And finally the 'Good Shepherd' as a stand alone panel.

An overall view of the Western end, showing the range of fishing activity.

Detail of fishing activity, showing the range of fish, including an octopus!

Different levels present in excavtion, the upper level with column is 10th century, the bottom Augustan age, the middle the time of Theodore.

Mosaic from Augustan period house on top of which Theodore built his church.
General view of font, showing columns that undoubtedly supported a canopy
Close up of interior of font, showing the drain hole
Reference
G. Brumat Dellasorte, 2005. Aquileia and San Canzian, pp. 96, Figs. 150. Storti Edizione, Venezei