The scene where the little girl sees herself on screen was kind of a self homage by director/actress Icíar Bollaín. She wanted to transmit her first impression when she saw herself on screen being a teenager.
For a few years, Alejandro González Iñárritu was attached to direct, and actually worked on the development with writer Paul Laverty.
This film is dedicated to the memory of Howard Zinn, who wrote The People's History of The United States.
Although most of her scenes were deleted, Najwa Nimri can be seen briefly in the restaurant sequence.
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