Nigeria's Okonjo-Iweala begins her term as WTO chief
New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala adjusts her face mask as a preventive measure against the COVID-19 coronavirus disease during a session of the WTO General Council upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS