01:06Business MattersTwenty years since 9/11BBC World Service Duration: 50 minutes Sat 11th Sep 2021, 01:06 on BBC World Service West and Central AfricaAvailable for over a yearListen nowThe impact of the September 11th 2001 attacks, on the world Show more GenresFactualMoneyFormatsDiscussion & TalkBrandBusiness Matters Source: BBC Online