Viking ships could sail up rivers reaching hundreds of miles inland.

This is another one of those images that has been in progress for a couple of years, put aside each time it refused to cooperate.

I almost added some people to the ships, but it seemed more mysterious leaving open the question of who or what would fly these things.

Laser beams take awhile to render. That's what I learned during this one, luckily I didn't get too carried away with them.

The original plan was a large planet, with a couple big satellites. Apparently the inhabitants evolved faster than I could draw them.