Hollow earth

Iron Sky 2 - The Coming Race // Concept Art // Matte Painting Nuclear Winter Earth Atmosphere Felix Botho Haas // Bothodesign // hollow earth agartha #ironsky2 #agartha #conceptart

The two known entrances to Inner Earth (The South Pole and North Pole) of course there are multiple entrances (some being in Africa, Germany and possibly, New Mexico.

Diagram from the Historia Tolteca-Chichimeca

Look into the ground of hollow earth

a detailed diagram of Hollow Earth.