 Si kastaba, laanta canshuuraha ee dalka Nigerai oo shir kale saxaafadda u qabatay waxay sheegtay inay haayaan warar sugan oo sheegaya in bariis caag ka sameysan oo maraakiib laga soo saaray bariga fog ee Aasiya uu ku soo wajahan yahay Afrika. 