Bionis, Alrest & Aionios DLC | Xenoblade Chronicles 3 Geography Analysis and Wave 4

How did the worlds of Bionis and Alrest look after the endings? How did these lands merge to create Aionios? In this video, I try to find out, by using these small titan models and the information given by Xenoblade 1, 2 and 3 plus the wave 4 DLC trailer of course. In addition to that, more locations and landmarks that I have spotted in said trailer. NO WAVE 4 LEAKS, this is a spoiler free zone.