Fabrizio- the Steve McCurry "Afghan Girl" was far more relevant to the story being told than this photo. With her, you could see the grit on her face and the stress and worry. That photo "said" something about Afghanistan.
Really? What you see as stress and worry, I see as unhinged - almost like she's playing up to the camera - "do your scary eyes!". But I'd say Afghan Girl, like the Mona Lisa, is notable for its ambiguity. An image that can be easily read won't be remembered.
'Cows are very fond of being photographed, and, unlike architecture, don't move.' - Oscar Wilde