I think this is really needed, so that people can share the awesome world changers in the game and how cool they can be by showing cool seeds. I have one and it is:
-2511699897952994874
Please enjoy
Btw it has a survival island with one tree and i think one rubber tree and has a volcanoe attached to it, and like 50 blocks away there is a huge airship and a mid-ocean volcanoe aswell