D23 released a series of B-Roll videos for medias here is a selection! In this first one Steven Clark introduces the D23 Expo.
John Lasseter love the D23 Expo and he tells you why!
Bob Iger welcome, Phineas and Ferb, and D23 fans.
This next video shows the exterior and the installation of D23 Expo.
The last video below will show you the Disney Archives exhibit!
Videos: copyright Disney
Photo: copyright Andy Castro - Dateline Disneyland