Hallow earth and the coming race

In this episode, I have talked about the hollow earth theory and told you about the Admiral Byrd operations in the Antarctic.
I also talk about the book The Coming Race by Edward Bulwer-Lytton.
This subject is very fascinating, and in the end, I leave you with a question.

https://anchor.fm/standuphistorian/episodes/Hallow-earth-and-the-coming-race-e1aba94