This was a great initiative in Brisbane, Australia a few years back https://www.arts.qld.gov.au/aq-blog/art-in-the-stairwell https://www.arts.qld.gov.au/aq-blog

This was a great initiative in Brisbane, Australia a few years back https://www.arts.qld.gov.au/aq-blog/art-in-the-stairwell https://www.arts.qld.gov.au/aq-blog/art-in-the-stairwell