The Hollow Earth
Unravel the mystery behind the theory that the Earth is either entirely or largely hollow, using claims of actual missions to the hollow earth itself.
| Release Date | January 1, 2021 | |
|---|---|---|
| Status | Released | |
| Original Title | The Hollow Earth | |
| Runtime | 30min | |
| Budget | — | |
| Revenue | — | |
| Language | — | |
| Original Language | English | |
| Production Countries | — | |
| Production Companies | ||