Nigeria's Okonjo-Iweala takes over as WTO chief

Ngozi Okonjo-Iweala waves upon her arrival at the World Trade Organization headquarters in Geneva, Switzerland, on March 1, 2021. The World Trade Organization's first female and first African Director General, Ngozi Okonjo-Iweala, officially took office on Monday, ending a six-month "leaderless" period of the organization, after former chief Roberto Azevedo stepped down on Aug. 31, 2020, a year ahead of schedule. (WTO/Handout via Xinhua)