This is an extraordinarily beautiful and very original documentary that was sent to me a few years ago and I just re-watched again this past week. (I've been unable to find a way to watch the full length 15-minute documentary but here is the YouTube link of the 3-minute excerpt https://www.youtube.com/watch?v=du9_Kn2y2VA
"Il Capo" (The Chief): "Italian artist and filmmaker Yuri Ancarani captures the otherworldly landscape of Carrara's marble quarries in the Apuan Alps, Northwest Italy, as Il Capo (The Chief) guides his men through the extraction process in this excerpt (see the link in bio) by Yuri Ancarani." I watched this on "Nowness" (www.nowness.com) which is "a digital video channel launched in 2010 by Jefferson Hack.