Switzerland kwuburu n'ọnwa Decemba afọ gara aga na ha ga-ewechịte ego ruru dollar nde 321 ha nwụchikọrọ n'aka ezinaụlọ onye bubu onyeisiala Naịjirịa bụ Sani Abacha site na nkwekọrịta ụlọakụ mba ụwa hazịrị.
