Crownfall Act 1 and Act 4 have same backgrounds

I didn't read the comic but why are the images same, act 4 is just zoomed in, different color and blurred?

https://preview.redd.it/n8n2d44xr3ee1.png?width=2257&format=png&auto=webp&s=9e4c7c4bbcfc0dfb40b4aec2d48a4aa30dd901fa

https://preview.redd.it/tqafsqazr3ee1.png?width=2196&format=png&auto=webp&s=2d367c79453ff7ed9c117ac37596c729e40a4b4b