BusinessGermanyLilium mystery deepens ahead of IPOTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusinessGermanyMarkus Böhnisch09/15/2021September 15, 2021German air taxi developer Lilium is about to list on the US technology exchange Nasdaq, having promised the world its first electric, vertical take-off passenger plane.https://p.dw.com/p/40LMFAdvertisement