Huawei deployed tall trucks conveniently parked in front of Apple and Samsung stores to inform users about the P20 reveal on 3/27. While the campaign is a borderline marketing stunt designed to draw attention and awareness, the spectacle is amusing nonetheless. The P20 will supposedly have some of the best cameras in the market.
https://www.notebookcheck.net/Huawei-spotted-shamelessly-advertising-in-front-of-an-Apple-store.290860.0.html