Large dots. They're trees, often olives, fairly widely spaced and neatly pruned, grass in between. But it varies quite a lot.

I look forward to reading whatever The Subtle Door is next called.

(In case I vanish from the internets in the near future, I left the kindle charger at the last hotel. But the last hotel is also the hotel of two days from now, so I may get it back. In any case, my kindle is getting less and less happy with being an internet tool).