Need Cafeteria Background and Overlays

I have been trying to find a background of a cafeteria for my story but I haven’t found anything that would work with putting characters at the tables with overlays. The cafeteria I need is for a high school academy and I want it to look something like these images below. A large room that would fit different groups of students. The thing that is tricky is that I need a fountain or some water feature in the background too because my character makes the water shoot out.

My story is still in early stages of development but I will definitely give you credit when I publish it!

Please help me out!

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Hello! If you still need it, I can help!

Just found this post but here.