well It's not too much of a difference thus It could be related to the northern guy wearing a shirt(because its cold) and the southern one not(because its warmer) at least today there is somewhat a climate difference between the nomandy and the region around orange, at least there was last time i checked.
I would agree with bean as they are southern and northern gauls(who also live in Cisalpine Gaul and the mediterranean coast) not inhabitants of northern and southern gaul.
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