Behind smile

The photo was taken from a working trip to a small village. I happened to see some children playing on front the yard. When I stopped to take photo, I saw a boy just standing behind a canvas. I asked him the reason why didn't join with other kids. He didn't answer me but he kept watching his friends' game. I caught that moment in my photo and doubted that he hesitated because he was afraid his smile is not beautiful as other.

Author: Tran Trong Luong