People desperate for "evidence" of racial admixture in certain groups ignore the effects that a hot climate and prolonged sun exposure can have on phenotype. On my Skin Color page, I show some contrasts of Southern Europeans very tanned and then naturally colored. Here are a few more:
Salvatore Commesso (Italian):

Rui Costa (Portuguese):

Maria Grazia Cucinotta (Sicilian):

[ Note sharp tan lines at bottom of left image (click to view full) ]
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