Are we sure this guy didn't simply have a really bad case of heartburn?  Either that or I might put some money on the idea that the sour faced woman seen over his left shoulder just gave him a sharp pinch on his derriere.  Seriously though, this must have been a very sad day - poor guy.

Not truly a military picture, however, simply looking at his face can show you the true state of war, who war truly affects. Famous picture, and highly emotional. Interesting to note the Frenchwomen who is next to the man in main focus, who seems to be clapping at the arrival of the Germans in Paris.