Avatar (2009 film) the film's success, Cameron signed with 20th Century Fox to produce four sequels: "Avatar 2" and "Avatar 3" are currently filming, and will be released on December 18, 2020, and December 17, 2021 respectively; subsequent sequels will start shooting as soon as they wrap filming, and will be released in 2024 and 2025. Several cast members are expected to return, including Worthington, Saldana, Lang, and Weaver. In 2154, humans have depleted Earth's natural resources, leading to a severe energy crisis. The Resources Development Administration (RDA for short) mines for a valuable mineral — unobtanium — on Pandora, a densely forested
Blue John Cavern the cave and jewellery production of Blue John was featured. Blue John Cavern is also visited by a couple in the 2013 film "Sightseers". Blue John Cavern The Blue John Cavern is one of the four show caves in Castleton, Derbyshire, England. The cavern takes its name from the semi-precious mineral Blue John, which is still mined in small amounts outside the tourist season and made locally into jewellery. The deposit itself is about 250 million years old. The miners who work the remaining seams are also the guides for underground public tours. The eight working seams are known as