"We've had about 15 to 20 contractors - mainly architects, traditional builders and civil engineers - respond, " said Robert Campbell from English Heritage.

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The visitor to a restaurant in the Four Seasons Hotel near Hyde Park will be astonished to find a room there full of paintings by an Australian artist, Robert Campbell Junior, who died in 1993, aged 49.

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Duarte said she spent two years working nights and weekends on the book, synthesizing the work of all the usual sources in storytelling and narrative structures: Aristotle, Robert McKee, Syd Field and Joseph Campbell.

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