St. Sebastian Chapel - Vestibule
Vatican City
Rome Italy
2016

The Upper Mosaics of St. Peter's Domes

The procession of the martyrs
The Eternal Father of the Lamb

http://stpetersbasilica.info/Mosaics/SebastianChp.htm

https://www.walksinrome.com/a-guide-to-st-peters-basilica.html

St. Peter’s Basilica is the largest church in the world. It stands above the spot where St Peter is thought to have been buried. The basilica is the second church to have been erected here; the first was built by Emperor Constantine the Great (r. 306-337) between 324 and 329.