These two series of pictures depict the skylines of Shanghai and New York as they transform through the shifting twilight. It focuses not so much on the cities themselves but draws attention to the ever-changing effect of light and how it shapes our experiences of a subject. With light as the subject matter, the effects of it changing differ in relation to conditions of tone and color. A transitory impression of a scene in a fleeting moment. Omitting sharpness and detail, this simple series depicts the passage of time.