He strides quickly along the cemetery's narrow brick pathways, darting in and out of the low light and natural shadows.

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With red and white light, the shadow of the object appears in the complementary color -- cyan -- and the shadows change as your angle of vision changes.

CNN: What the brain draws from: Art and neuroscience

The film was all shadows and light in the contemporary Hollywood style - in my book I have called it the beginning of Bombay Noir, a style of film-making that borrowed elements from abroad but had Indian flourishes like music and songs.

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