Question: Which film was filmed first, Mysterious Castles of Clay or London Can Take It!?

Context articles: List of miscellaneous works by Anthony Salvin
Jonathan Clay (musician)
Mysterious Castles of Clay
List of new churches by Anthony Salvin
Mr. Mysterious
Journey 2: The Mysterious Island
Barnaby Clay
Keep
Castles in Spain (film)
London Can Take It!

Anthony Salvin (1799–1881) was an English architect, born in Sunderland Bridge, County Durham.
 He trained under John Paterson of Edinburgh, and moved to London in 1821.
 His works include new churches, restoration of and additions to existing churches, and various other buildings, including schools.
 However, he is mainly noted for his work on existing major buildings, including castles, and for designing new substantial country houses.
 The castles on which he worked include Windsor Castle, Norwich Castle, Rockingham Castle, Newark Castle, Warkworth Castle, Muncaster Castle, and Warwick Castle.
 He also carried out work on the Tower of London, and on Trinity College, Cambridge, Gonville and Caius College, Cambridge, and University College, Durham.
 His new country houses include Mamhead House (his first major project), Scotney Castle, Keele Hall, Thoresby Hall, and Peckforton Castle.
 In addition he designed the Observatory for Durham University.
Singer-songwriter Jonathan Clay grew up in Magnolia, Texas.
 He released his first EP "Whole New Me" in 2006 on iTunes.
 Atlantic Records signed Clay to a development deal in 2007.
 In June 2007 Clay released his second album "Back to Good".
 MTV music supervisors found his work on MySpace.
 ABC Family used Clay's "After All" in "Lincoln Heights" in 2008.
 Levi's and True Anthem sponsored Clay's give away of 140,000 downloads of "Acoustic Sessions" in 2008.
 In 2010 Clay recorded "Everything She Wants" with producer Kevin Kadish.
 "Gypsy Woman", a cut from that album, was used in the U.S. television series "Sons of Anarchy" in 2011.
 In late 2010 Clay formed a new band called Jamestown Revival.
 The duo teamed Clay with his childhood friend Zach Chance and within six months of forming the band the duo were featured in "Rolling Stone" magazine for the Cover of the Rolling Stone contest.
 "Heart on Fire", a song featuring Clay's vocals, was featured in the 2012 comedy "LOL" starring Miley Cyrus, Demi Moore, Ashley Greene, Adam Sevani, and Douglas Booth.
 Clay sang three additional songs for the film.
Mysterious Castles of Clay is a 1978 film about a termite colony; filmed in Kenya by film-makers Joan and Alan Root, and narrated by Orson Welles.
 It was nominated for an Academy Award for Best Documentary Feature and received a Peabody Award.
Anthony Salvin (1799–1881) was an English architect, born in Sunderland Bridge, County Durham.
 He trained under John Paterson of Edinburgh, and moved to London in 1821.
 His works include new churches, restoration of and additions to existing churches, and various other buildings, including schools.
 However, he is mainly noted for his work on existing major buildings, including castles, and for designing new substantial country houses.
 The castles on which he worked include Windsor Castle, Norwich Castle, Rockingham Castle, Newark Castle, Warkworth Castle, Muncaster Castle, and Warwick Castle.
 He also carried out work on the Tower of London, and on Trinity College, Cambridge, Gonville and Caius College, Cambridge, and University College, Durham.
 His new country houses include Mamhead House (his first major project), Scotney Castle, Keele Hall, Thoresby Hall, and Peckforton Castle.
 In addition he designed the Observatory for Durham University.
"Mr. Mysterious" is the third single from Vanessa Amorosi's album "Hazardous".
 "Mr. Mysterious" was first performed live on TV at the 2009 Perth Telethon on 3 October 2009.
 Amorosi filmed the video for "Mr. Mysterious" in February and the song was released digitally in April 2010.
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Journey 2: The Mysterious Island is a 2012 American science fiction comedy adventure film directed by Brad Peyton and produced by Beau Flynn, Tripp Vinson and Charlotte Huggins.
 It is the sequel to "Journey to the Center of the Earth".
 Following the first film, the sequel is based on another Jules Verne novel, this time "The Mysterious Island".
 The film stars Dwayne "The Rock" Johnson, Michael Caine, Josh Hutcherson, Vanessa Hudgens, Luis Guzmán, and Kristin Davis.
 The story was written by Richard Outten, Brian Gunn and Mark Gunn, and the screenplay by Brian and Mark Gunn.
 "Journey 2: The Mysterious Island" was released in cinemas on February 10, 2012 by Warner Bros.
 Pictures, New Line Cinema and Walden Media to mixed reviews, but became a box office success with a worldwide gross of nearly $335 million, surpassing its predecessor.
 "Journey 2: The Mysterious Island" was released on DVD/Blu-ray on June 5, 2012.
Barnaby Clay (born May 15, 1973) – also known as Barney Clay - is a British film director.
 Clay graduated London International Film School in 1996, directing the school‘s entry to the Fuji Film Scholarship Awards – the short film ‘Justice in Mind’ took home the top award of Best Film.
 Soon after leaving film school he moved into directing music videos and commercials.
 He has directed music videos for bands like John Spencer Blues Explosion, TV on the Radio, Gnarls Barkley, the Yeah Yeah Yeahs, Dave Gahan to name a few.
 In 2003 Clay traveled to Russia with the band gypsy punk band Menlo Park to make his first documentary for Britain’s Channel 4, entitled ‘Greetings From Beartown'.
 In 2005 he wrote and directed a short film for Ritz Fine Jewellery titled ‘Carousel’, starring the actress Chloe Sevigny.
A keep (from the Middle English "kype") is a type of fortified tower built within castles during the Middle Ages by European nobility.
 Scholars have debated the scope of the word "keep", but usually consider it to refer to large towers in castles that were fortified residences, used as a refuge of last resort should the rest of the castle fall to an adversary.
 The first keeps were made of timber and formed a key part of the motte-and-bailey castles that emerged in Normandy and Anjou during the 10th century; the design spread to England as a result of the Norman invasion of 1066, and in turn spread into Wales during the second half of the 11th century and into Ireland in the 1170s.
 The Anglo-Normans and French rulers began to build stone keeps during the 10th and 11th centuries; these included Norman keeps, with a square or rectangular design, and circular shell keeps. Stone keeps carried considerable political as well as military importance and could take up to a decade to build.
Castles in Spain is a 1920 British silent drama film directed by Horace Lisle Lucoque and starring C. Aubrey Smith, Lilian Braithwaite and Hayford Hobbs.
 It was based on the novel "Castles in Spain" by Ruby M. Ayres.
 It was made at Kew Studios in London.
 A man retires to a country village, where he meets the woman of his dreams.
 However, he soon discovers that his nephew has also fallen in love with her.
London Can Take It!
 is a short British propaganda film from 1940, which shows the effects of eighteen hours of the German blitz on London and its people.
 Intended to sway the US population in favour of Britain's plight, it was produced by the GPO Film Unit for the British Ministry of Information and distributed throughout the United States by Warner Bros..
 The film was directed by Humphrey Jennings and Harry Watt, and narrated by US war correspondent Quentin Reynolds.