John Paul Plaza (also referred to by Polish Hill residents as “the high-rise”), is  located at 1005 Herron Avenue.   John Paul Plaza will be having a flea market and bake sale on Saturday, April 21, from 11:00 a.m. to 2:00 p.m.  Items on sale include dishes, books, and jewelry.  For more information, call 412.683.5850.