Migrants mostly from the Darfur region of western Sudan warm up by a fire under a highway bypass where they have been sheltering from the weather as they prepare to attempt to cross the Italian border into France, in the Mediterranean coastal town of Ventimiglia, northern Italy, December 3, 2017. REUTERS/Siegfried Modola SEARCH "MODOLA ALPS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.