Map of Wales and Pronunciation from Wikipedia

What do the colours mean? Doesn’t seem obvious in a phone

	▲	diggernet 2 days ago \| parent \| next [-]
		Poking around the map, it looks like red=towns, blue=water, grey=mountains. Not sure what yellow is.
	▲	RickJWagner 2 days ago \| parent \| prev [-]
		Same on my iPad.

For some reason my brain read this as 'Map of Whales' which sounded very interesting

	▲	metalman 2 days ago \| parent [-]
		your title is pure book bait™ my brain read it and went ahhhhh!!WELSH!!, abandon hope ye of punny linguistic talent