Ha - the production setup includes Xbox Kinect components - right when the employee says "3d cameras" at 2:26 https://www.youtube.com/watch?v=ssZ_8cqfBlE&t=147s
I remember reading through the documentation and case studies and realizing just how advanced the tech was / is.
Pile it high, mountain, carve it out, water and eventually sea. It was pretty amazing as it was all projected into the sand in real time and looked just amazing.
Think it was running on some 1080 or 1080-Ti when that was king of graphics cards.