Walking along a stretch of what is called “Doctor’s Row” or “Black Doctor’s Row” is a living history lesson. The area where some homes are coming down and condominiums are going up is a stretch along Christian Street – and Broad to 20th Street. 

https://phl17.com/phl17-morning-news/preserving-doctors-row-a-historic-black-neighborhood-in-south-philly-a-councilman-proposes-bill-to-halt-demolitions/