Actress Aissa Maiga attends the "The Boy Who Harnessed The Wind" news conference during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Author William Kamkwamba attends the "The Boy Who Harnessed The Wind" news conference during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Author William Kamkwamba attends the "The Boy Who Harnessed The Wind" news conference during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Actress Aissa Maiga attends the "The Boy Who Harnessed The Wind" news conference during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Actor Maxwell Simba attends the "The Boy Who Harnessed The Wind" news conference during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Author William Kamkwamba, left, and actor Maxwell Simba pose at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Author William Kamkwamba, left, and actor Maxwell Simba pose at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Actor Maxwell Simba, left, and director Chiwetel Ejiofor pose at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Director Chiwetel Ejiofor attends the "The Boy Who Harnessed The Wind" news conference during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Director Chiwetel Ejiofor attends the "The Boy Who Harnessed The Wind" news conference during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Director Chiwetel Ejiofor attends the "The Boy Who Harnessed The Wind" news conference during the 69th Berlinale International Film Festival, in Berlin, Germany.

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From left, author William Kamkwamba, director Chiwetel Ejiofor, actors Aissa Maiga and Maxwell Simba pose at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Actor Maxwell Simba poses at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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From left, director Chiwetel Ejiofor, actors Aissa Maiga and Maxwell Simba pose at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Actress Aissa Maiga poses at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Actress Aissa Maiga poses at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Director Chiwetel Ejiofor poses at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Director Chiwetel Ejiofor poses at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Director Chiwetel Ejiofor poses at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Director Chiwetel Ejiofor poses at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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Actor Maxwell Simba, left, and director Chiwetel Ejiofor pose at the "The Boy Who Harnessed The Wind" photocall during the 69th Berlinale International Film Festival, in Berlin, Germany.

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