released in North America as King's Field: the Ancient City takes place predominantly in the Ancient City, an underground domain in the land of Heladin which has been stricken by darkness since their king received a strange idol. The player is tasked with venturing further and further downwards exploring much of the subterranean city in its decay and desolation.Deep Down is an unreleased 2013 Roleplaying video game that focuses on deep diving into an ancient civilization below the earth to discover its secrets while using powerful abilities and a dynamic lighting system to survive its deep dank depths while also combating terrifying grimdark foes such as an ancient dragon like the one shown in the 2013 Tokyo Game Show Trailer. Music Japanese psychedelic rock band Far East Family Band named their 1975 debut album Chikyu Kudo Setsu, (Hollow Earth Theory), although the official English title was The Cave Down to Earth. The album's sleeve notes refer to familiar stories of entrances at the north and south poles, and of an ancient civilisation dwelling inside the Earth with connections to UFOs. The band Bal-Sagoth has, on their album The Chthonic Chronicles (2006), a song about the hollow Earth called "Invocations Beyond the Outer-World Night". Sunn O))) on their album Monoliths & Dimensions has a song called Aghartha. In Coldplay's first full album Parachutes there's a song called Spies. It may refer to a subterranean location, but the lyrics themselves are ambiguous. Science Babble, on their album Membrane" has a song "Rock Bottom" revolving around hollow earth theory Other celestial bodies Subsurface fiction may also be set on other planetary bodies: The most common example of a hollow body other than Earth has historically been a hollow Moon. A breathable interior atmosphere allowed various SF writers to postulate lunar life (including intelligent life) in spite of scientific observations of the uninhabitability of the Lunar surface. The subgenre largely died out following the actual Moon landings. The console Strategy/RPG series Super Robot Wars features a Hollow Earth world named La Gias. The role-playing video game Septerra Core takes place on an eponymous world with seven separate layers, similar to the theory of Edmund Halley. The PC Adventure game Torin's Passage features a depiction of the hollow fictional planet Strata, similar to the one described by Edmund Halley. The planet Naboo in Star Wars has a "hollow core," but it is filled with water.