Grand Space Opera: Light Age / The arrival

Image made for the Space Opera Artstation challenge.
Context : in a distant future, the human empire quickly realized that most of the habitable planets of the known space were already inhabited by various alien species. Instead of starting endless wars, the clergy iniated projet "iter" (the way").
The idea was to create diplomatical and peaceful relations with these species through a pragmatic use of the wedding.

Frame #01 _ The arrival
The nuptial ship slowly flies over the alien capital city.