Restorers Chiara Zizola, right, and Roberto Nardi work at the restoration of the mosaics that adorn the dome of one of the oldest churches in Florence, St. John's Baptistery.

Florence unveils new way see 10 million tile mosaic up close. Here's how to plan your visit

The Florence Baptistery’s mosaics are being restored. Here’s how you can see them up close.