This is from the solarpunk images collection of pickledtezcat. It was shared with me by @JacobCoffinWrites@slrpnk.net . Here's the description of this piece:

A bit of Afrofuturism with this one. One of the scenarios I'd like to include in my pen and paper RPG project.

I just discovered this artist, but I'm immediately going to reach out and see if they'd like to collaborate on anything RPG related. This is great.