It's a real delight to watch cheese craftsmen doing what they know. This company not only shows how mozzarella is made, but then they finish up getting the ricotta from the whey:
mozzarella (http://www.youtube.com/watch?v=E8fXVdu3JpY)
-Boofer-
Wow. I need to rethink my mozz stretching!
I wonder how much time they spend stretching the cheese.