The B_Line is a line of street murals created by a variety of artists. Located on Hubbard Street between Green and Aberdeen Streets, this beautiful and vastly differing mile-long art project. According to the B_Line website, the Hubbard Street Murals can trace their origin to the early 1970s when they were founded by Ricardo Alonzo. The B_Line project was revived a couple of years ago by Loard Hevar.
Sources: https://www.chicagoreader.com/chicago/b-line-hubbard-street-murals/Content?oid=66225788 blinechicago.com