Secrets of the Divine: The Altarpiece of Ciudad Ro![Watch online with AZPM Passport Watch online with AZPM Passport](https://media.azpm.org/master/image/2018/4/19/element/pass-sm-t.png)
Equal parts historical art, mystery, and scientific exploration, Secrets of the Divine: The Altarpiece of Ciudad Rodrigo delves into Spanish fine art pieces and their sub-drawings to reveal surprising insights into the lives of the painters and their era.