Krakia?

If you'll notice, the sky in that picture has crisscrossing lines. This implies a dome around the area in question. The only kind of dome in masteria is the one in the electrophant map. Having a greenhouse inside a dome isn't farfetched at all, especially with the kind of technology seen in the picture.

I think those lights may as well be some kind of searchlights to prevent intruders or something.

edit: Sorry for double post certainly expected someone to have posted something before this post :3