sentences:  Greengate Mall (now Greengate Centre) in nearby Greensburg, Westmoreland County would also open the very same year as South Hills Village.In 1979, Century III Mall, the third largest enclosed shopping center in the world (at that time), opened away in West Mifflin to further speed the decline of Eastland.Furthermore, whereas these four malls were located in and around more affluent suburbs, Eastland was located primarily around old mill towns.