I've been in this entertainment racket long enough to see some strange and incredible things on film and TV sets. I've walked through a "torture chamber," watched Pennywise have a friendly chat with the crew, and strolled through a few stunning full-scale spaceships over the years, but I can safely say I've never been on a set quite like The Lion King. That's because it wasn't really a "set" at all, but a warehouse full of groundbreaking technology, where filmmaker Jon Favreau and his crew (many returning from their previous collaboration on The Jungle …