Hollow Earth Theory

Modern science states that the Earth is made up of 4 distinct layers. What if they’re wrong? Could the Earth possibly be hollow?

**neat links**

https://www.gi.alaska.edu/alaska-science-forum/hollow-earth-theory

https://youtu.be/AjD6Q-axHxc

https://www.wired.com/2014/07/fantastically-wrong-hollow-earth/amp