In the 2009 science fiction film Avatar, director James Cameron conceived a fictional universe in which humans seek to mine unobtanium on the fictional extraterrestrial moon, Pandora. The Earth-like moon is inhabited by a sapient indigenous humanoid species called the Na'vi, and varied fauna and flora. Resources Development Administration (RDA) scientists, administrators, recruits, and personnel travel to Pandora in the 22nd century to discover this lush world which is inhabited by many lifeforms including the human-like Na'vi. The clan with which the humans have contact in the film in a giant tree that sits on a vast store of a mineral called unobtanium, which humans want as an energy supply.