A year after Hurricane Sandy ripped through New York and New Jersey, the scars still show. The debris may have been trucked away, but empty parcels of sand have replaced seaside cottages. Some 22,000 households still rely on friends, federal aid, and charities to keep a roof over their heads. And in an area where affordable housing was already a struggle for many, Sandy’s strain on New York City’s most vulnerable citizens remains the most persistent. Then and now photos reveal the efforts of New Yorkers and New Jerseyans to maintain their sense of community — and how little some areas have changed in 12 months.