Here are two IGN interviews (and footage) of The Eternal Cylinder at Gamescom with Carlos Bordeu.
1. Interview on IGN.com. If the video doesn't play, turn off ad block or watch it on YouTube at 1:21:16:
2. At 1:51:37:
For more information about The Eternal Cylinder, visit the official website, where you can also sign up to join the upcoming Beta.