Thank you for your help. You directed me in the right direction, but the problem was that I didn't have two paths for creating a binary Intersection, and that the 25k paths of the land part were way too many for clipping. The breakthrough was that I first had to keep Ungrouping everything in the lan...

Hi y'all, I'm working on a high-res world map that eventually will look like the mock-up image attached, thereby using a multi-layered map that I bought. As you can see I'm working with a double colour palette for the time zones: blue colours for the water, and grey colours for the land. AOI-map-2x5...