For my current set of tips, I'm using the list " 101 Small Ways You Can Improve Your City . 15. Make an alley into a public art studio. Back in 2004, Detroit homeowners frustrated by people tagging and vandalizing their property decided if their garages were going to be canvases, they might as well benefit the community. Now, those alley-facing doors have become public galleries thanks to The Alley Project , which works with more than 100 young artists to showcase their work, hold art classes, and beautify the neighborhood .