If completed, the proposed project would represent a shift to the east for PMC, which has primarily focused on more western parts of the city with its new construction projects.It could help reinvigorate Old City, which has lost favor among affluent young urban dwellers who increasingly flock to areas like Rittenhouse Square and Northern Liberties, said Allan Domb, president of the Greater Philadelphia Association of Realtors and an at-large candidate for City Council.