Today, Walt Disney World begins its Monstrous Summer media event. A part of that is a peek behind the walls of construction at the Seven Dwarfs Mine Train. Unfortunately, photography wasn’t allowed, but there were three Imagineers on hand to give presentations on both the Mine Train (opening in 2014) and Princess Fairy Tale Hall (opening in 2013). Below is most of the text of those presentations as well as items learned during the Question and Answer sessions.