Ethiopian Airlines Boeing B787 Dreamliner. This ET-AUO is a Dreamliner B787 version 9. Its first flight was in October 2017. It is leased from the company AerCap and it bears the name Beijing.
Picture from Oslo Gardermoen airport in Norway 2.6.2018 by Ilkka Siissalo.

This is an Ethiopian Airbus A350-900. Sorry for the very poor picture quality, but it is through a fast moving Lufthansa aircraft window. Quite presumably this is the Ethiopian A350-900 C30Y318 called "Ertale", which was first taken in use in January 2017.
Picture from Frankfurt am Main 3.6.2022 by Ilkka Siissalo.