Geocentric Adventure World closed description of self-sufficiency: can be used as a human home another option, but the key is geomagnetic biological genetic change would, of course, including humans.

• 地心探险描述封闭世界自给自足:可做为人类居所另个选择;但关键是地磁会不会改变生物遗传；当然也包括人类.