>>8498243(start of part 6) Earth is both honeycomb-like AND hollow. It doesn't have to be one or the other. It's both. Earth's crust is like Swiss cheese, with lots of vast caverns all over the place with non-human entities living inside them. These caverns are basically unique, enclosed ecosystems in and of themselves. Check out this page for more information about this:
http://www.holloworbs.com/cavern_worlds.htm (end of part 6)