Honor has released further detail on its upcoming 20 and 20 Pro flagships. They will feature "Dynamic Holographic design", an effect that will be apparent on their glass rear panels. The OEM has also revealed that this esthetic choice has shifted the phones' fingerprint sensors onto their frames.
https://www.notebookcheck.net/The-Honor-20-and-20-Pro-will-be-made-with-Dynamic-Holographic-design.420452.0.html