Beyond the Ice Wall, belief often transitions into the legend of (also spelled Agharta). While Flat Earth theory deals with a physical barrier, Agartha myth suggests the barrier hides an entrance to the Hollow Earth —a vast, hidden civilization on the planet's inner surface.
The concept of an ice wall isn't merely a modern internet phenomenon. Ancient civilizations spoke of a "frozen barrier" at the edge of the world. Norse mythology described Jotunheim, the realm of the giants, as a frozen land beyond the known seas. Hindu texts reference Mount Meru, the cosmic mountain surrounded by continents separated by impassable oceans and barriers.