<P> The reason why Wilder wanted this in the film was that "from that time on, no one will know if I'm lying or telling the truth ." </P> <P> Jean Stapleton turned down the role of Mrs. Teevee . Jim Backus was considered for the role of Sam Beauregarde . Sammy Davis, Jr. wanted to play Bill, the candy store owner, but Stuart did not like the idea because he felt that the presence of a big star in the candy store scene would break the reality . Nevertheless, Davis' recording of the film's opening musical number, "The Candy Man," would top the Billboard magazine record charts in 1972, despite the fact that Davis initially hated the song . Anthony Newley also wanted to play Bill, but Stuart also objected to this for the same reason . </P> <P> Principal photography commenced on August 31, 1970, and ended on November 19, 1970 . The primary shooting location was Munich, Bavaria, West Germany, because it was significantly cheaper than filming in the United States and the setting was conducive to Wonka's factory; Stuart also liked the ambiguity and unfamiliarity of the location . External shots of the factory were filmed at the gasworks of Stadtwerke München (Emmy - Noether - Straße 10); the entrance and side buildings still exist . The exterior of Charlie Bucket's house, which was only a set constructed for the film, was filmed at Quellenstraße in Munich, Bavaria . Charlie's school was filmed at Katholisches Pfarramt St. Sylvester, Biedersteiner Straße 1 in Munich . Bill's Candy Shop was filmed at Lilienstraße, Munich . The closing sequence when the Wonkavator is flying above the factory is footage of Nördlingen in Bavaria . </P> <Ul> <Li> <P> Munich Gasworks as it appears today (building on the left) </P> </Li> <Li> <P> Munich Gasworks as it appears today </P> </Li> <Li> <P> Nördlingen, the town seen from above at the end of the film </P> </Li> </Ul>

Where was willie wonka and the chocolate factory filmed
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