Thanks to Wikipedia for the following info: In ancient times, the concept of a subterranean land inside the earth appeared in mythology, folklore, and legends. The idea of subterranean realms seemed arguable, and became intertwined with the concept of "places" of origin or afterlife, such as the Greek Underworld, the Nordic Svartalfaheimr, the Christian Hell, and the Jewish Sheol (with details describing inner Earth According to one story there is an ancient city called Shamballa which is located inside the earth. See Operation "High Jump" Patch below. Basic shipping included to most countries. Additional costs may incur for EURO, South America and African countries.