User blog comment:Kogath/Monster Hunter: World Discussion/@comment-6050823-20171031044152/@comment-31376908-20171031212922

They seem to be pairing up areas, the forest and wastes are both contrasting areas yet they lay right next to each other and have geographical influence on each other (they also share Monsters), and the Coral Highlands and the Rotten Veil are both extremely contrasting areas but seem to be vertically next to each other as if the Rotten Veil is the depths of this land ocean where all the corpses end up.