There’s this great article from Artsy that talks about 7 artworks in various subway stations around the world. Some are simply decorative while some are architectural. Regardless, it is extremely interesting to see the different art styles and ways that art is incorporated in public spaces, particularly one that maintains almost constant traffic of commuters.

https://www.artsy.net/article/artsy-editorial-7-unexpected-artworks-to-see-in-subway-stations-around-the-globe