agharta, land of advanced races, hollow earth infographic with illustrations, a big shell with a sun in the interior, by albrecht durer, konstantinas ciurlionis, sir john tenniel, kilian eng, eugene delacroix, vibrant colours, dynamic lighting, digital art, winning award masterpiece, fantastically beautiful, illustration, aesthetically inspired by leonardo da vinci, trending on artstation, art by greg rutkowski, 8 k