Thanks guys, great to have you on board
Tainotim, that's awesome and I trust you'll be correcting any mistakes I make I haven't been on a history walk, maybe something to try. The map sounds great, I do love isometric city maps… Is that the museum at Götaplatsen?

My color ideas, quickly photoshopped. Currently leaning towards the grayer one, but looking at them again now, I think maybe something in between, with a touch more yellow, could be worth trying?
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By the way, if anyone's wondering, the paper size here is 50x70 cm.