Two days ago, on Friday evening, I happened to be walking by the Duomo and was fortunate to capture a video of The Via Crucis dei Giovani, which is explained below. This is a part of the celebrations for the upcoming Easter.
The Via Crucis dei Giovani at Florence’s Duomo: Preparing for Easter
get back, lauretta! 
Aye, Tenebrae
Um, Michael? What does that mean?