Old sidewalk street name tiles for Constantinople Street, <a href="//commons.wikimedia.org/wiki/New_Orleans" title="New Orleans">New Orleans</a>. Note the tiles are in a rectangle of older concrete, showing sidewalk was repaved while preserving old name tiles.  ("Constantinople Street" was the address of the fictional protaganist of the novel "A Confederacy of Dunces".)
Infrogmation, New Orleans
CC BY 2.5
Photo by <a href="//commons.wikimedia.org/wiki/User:Infrogmation" title="User:Infrogmation">Infrogmation</a>