Question: What romantic thriller film, directed by Roman Polanski, did Vangelis witness filming while producing The City album?

Context articles: The City (Vangelis album)
List of accolades received by The Ghost Writer
The Ghost Writer (film)
Tess (film)
The Ninth Gate
Sam O'Steen
Obsessed (2009 film)
Roman Polanski: Wanted and Desired
Gangster (2016 film)
Bitter Moon

The City is a 1990 album by the Greek artist Vangelis.
 Reportedly, it was produced entirely in a Rome hotel room, where Vangelis was staying to witness the filming of the Roman Polanski film "Bitter Moon".
 It can be seen as a concept album, citing concepts from urban life and alluding to the big city atmosphere.
 At the "Billboard" New Age Albums chart peaked at #3 position.
"The Ghost Writer" (released as "The Ghost" in the United Kingdom and Ireland) is a 2010 French-German-British political thriller film directed by Roman Polanski.
 It is based on the novel "The Ghost" written by Robert Harris, who co-wrote the screenplay with Polanski.
The Ghost Writer (released as The Ghost in the United Kingdom and Ireland) is a 2010 Franco-German-British political thriller film directed by Roman Polanski.
 The film is an adaptation of a Robert Harris novel, "The Ghost", with the screenplay written by Polanski and Harris.
 It stars Ewan McGregor, Pierce Brosnan, Kim Cattrall and Olivia Williams.
Tess is a 1979 drama film directed by Roman Polanski, an adaptation of Thomas Hardy's 1891 novel "Tess of the d'Urbervilles".
 The screenplay was written by Gérard Brach, John Brownjohn, and Roman Polanski.
 The film received positive critical reviews upon release and was nominated for six Academy Awards including Best Picture, winning three for Best Cinematography, Best Art Direction and Best Costume Design.
The Ninth Gate is a 1999 mystery thriller film directed, produced, and co-written by Roman Polanski.
 An international co-production between the United States, Portugal, France, and Spain, the film is loosely based upon Arturo Pérez-Reverte's 1993 novel "The Club Dumas".
 The plot involves the search for a rare and ancient book that purportedly contains a magical secret for summoning the Devil.
 The premiere showing was at San Sebastián, Spain, on 25 August 1999, a month before the 47th San Sebastian International Film Festival.
 Though critically and commercially unsuccessful in North America, where reviewers compared it unfavorably with Polanski's celebrated supernatural film "Rosemary's Baby" (1968), "The Ninth Gate" earned a worldwide gross of $58.4 million against a $38 million budget.
Samuel Alexander "Sam" O'Steen (November 6, 1923 – October 11, 2000) was an American film editor and director.
 He had an extended, notable collaboration with the director Mike Nichols, with whom he edited twelve films between 1966 and 1994.
 Among the notable films that O'Steen edited were "Who's Afraid of Virginia Woolf" (directed by Mike Nichols, 1966), "Cool Hand Luke" (directed by Stuart Rosenberg, 1967), "The Graduate" (directed by Mike Nichols, 1967), "Rosemary's Baby" (directed by Roman Polanski, 1968), and "Chinatown" (directed by Roman Polanski, 1974).
 On a 2012 listing of the 75 best edited films of all time, compiled by the Motion Picture Editors Guild based on a survey of its members, both "The Graduate" and "Chinatown" appear.
Obsessed is a 2009 American thriller film directed by Steve Shill.
 The Rainforest Films production stars Idris Elba, Beyoncé, and Ali Larter.
 "Obsessed" tells the story of Lisa, an office temp played by Larter, who develops romantic feelings for her boss, Derek Charles (Elba), and repeatedly attempts to seduce him.
 Derek's wife, Sharon (Beyoncé), learns of Lisa's obsessive behavior, and suspects an affair.
 Screen Gems president Clint Culpepper conceived the basic idea of "Obsessed", which was then developed by writer David Loughery, allocated a production budget of $20 million, and filmed in the summer of 2008.
 "Obsessed" was inspired by the work of directors Roman Polanski and Alfred Hitchcock, and its score was written by James Dooley.
 Lisa and Sharon were dressed in contrasting styles to reinforce their conflicting characters.
 "Obsessed" opened in US theaters on April 24, 2009, and UK theaters on May 29, 2009, and was distributed by Screen Gems.
Roman Polanski: Wanted and Desired is a 2008 documentary film directed by Marina Zenovich.
 It concerns film director Roman Polanski and his sexual abuse case.
 It examines the events that led to Polanski fleeing the United States after being embroiled in a controversial trial, and his unstable reunion with his adopted country.
 A follow-up to the film, also directed by Zenovich, titled "Roman Polanski: Odd Man Out" was released on 26 March 2013, detailing Polanski's successful legal battle to avoid extradition to the US, a battle that took place after "Roman Polanski: Wanted and Desired" came out.
Gangster (Bengali: গ্যাংস্টার ) is an Indian Bengali language romantic thriller film directed by Birsa Dasgupta under the banner of Shree Venkatesh Films.
 The film stars debutant Yash Dasgupta with Mimi Chakraborty in leading roles.
 The film is a romantic thriller where Yash plays the role of a gangster.
 This is an Intense romantic thriller with few twists and turns to keep the audience glued to their seats.
 The film has been shot in Istanbul, Turkey.
 The music by Arindam Chatterjee is captivating.
 The film released on 7 October 2016.
Bitter Moon is a 1992 Franco-British-American erotic romantic thriller film directed by Roman Polanski and starring Hugh Grant, Kristin Scott Thomas, Emmanuelle Seigner and Peter Coyote.
 The film is known in France as "Lunes de fiel " (a pun on the French phrase "lune de miel", meaning "honeymoon").
 The script is inspired by the novel "Lunes de fiel", written by the French author Pascal Bruckner.
 The score was composed by Vangelis.