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Step Back & Include Foreground.
Here, everyone was waiting for their turn to go to the guardrail, peer over and snap the same photo.
Improve your photography by stepping back and include the guardrail. Your composition will then give the viewer a place to imagine standing. Smart phones and mirrorless cameras generally yield wider angle images, here's a technique to use them more effectively.
Art students draw the interior of the Musee D'Orsay, Paris, France.