Press renders and live images of the Huawei P20, P20 Lite, and P20 Pro have shown them all sporting vertically aligned rear cameras—tri-rear cameras in the case of the P20 Pro. This comes after a video by Huawei teased a horizontal alignment on the devices a week ago.
https://www.notebookcheck.net/The-upcoming-Huawei-P20-devices-will-feature-vertically-aligned-rear-cameras-Live-images-and-hands-on-video-leaked.287724.0.html