Background practice

So I got inspired by this Lovely post to draw my own background with some of what I know already, this is a hallway in orange Diamonds colony on one of his planets, do give me either new ideas or recommend ideas or give (only) positive and critique

Im gonna get into more complicated levels later on when I’m comfortable because I wanna try doing scenery like forest or beach but for now we get this bg

Proof and #CuratorReview