During the drum under the dome quite a few heads of prophets are depicted. Some chapels with the gallery can also be decorated with mosaic. These components were being executed all around 1330 by mosaicists from Siena. San Giovanni in Laterano was rebuilt various situations about the hundreds of years, https://jinnaht999pjc1.blogozz.com/26827381/the-definitive-guide-to-san-giovanni-italia