Symmes' Theory of Concentric Spheres, Showing That the Earth is Hollow, Part 4

Let’s theorize our way to sleep with more about a hollow Earth that contains unseen multitudes. This time, the mystery of whales migrating under Greenland, groaning lakes, and rebuttals to five arguments against the theory, including the opinion that not being hollow is an ungodly waste of space. Science! Help us stay ad-free and 100% listener supported! Patreon: https://www.patreon.com/boringbookspod Buy Me a Coffee: https://www.buymeacoffee.com/d5kcMsW   Read “Symmes’ Theory of Concentric Spheres” at Project Gutenberg: https://www.gutenberg.org/ebooks/54329 Music: "Boring Books for Bedtime,” by Lee Rosevere, licensed under CC BY, https://leerosevere.bandcamp.com   If you'd like to suggest a copyright-free reading for soft-spoken relaxation to help you overcome insomnia, anxiety and other sleep issues, connect on our website, http://www.boringbookspod.com.