And no one is going to look at the storefront to see what you've done, so the overall effect is good.
Is the original wall concrete?
The old powder roughly batch once can be, the pipeline can also go open, the top can be painted into gray or black. One wall can also be painted in other colors.
Lighting to play a little better, a grade can be upgraded. You can buy a few bean gall bladder lamps and hang them.