Hello Lin, this is an interesting composition with a tryptic of layers side by side, interconnected by a focus point which happens to be, paradoxically, out of focus. Even though our eyes move from right to left, which is not the traditional direction to read a photograph, this is done easily because the guy on the right hand side seems to be watching in the same direction where she's pointing at...well..yes...heu, heu, the magnificient example of Greek's hominus representation.
My only nitpick is related to your point of focus, actually, which is rather shallow (lovely bokeh) and is set on the lady's back...I don't know, perhaps focusing on her hair would have been more "logical" (logic by my own personal standards, of course).
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