Philadelphia is the largest city in Pennsylvania, just across the river from New Jersey; the fifth largest city in the United States, after New York, Los Angeles, Chicago and Houston; the fourth metropolitan area in the United States, after New York, Los Angeles and Chicago.
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Philadelphia is the largest city in Pennsylvania, just across the river from New Jersey; the fifth largest city in the United States, after New York, Los Angeles, Chicago and Houston; the fourth metropolitan area in the United States, after New York, Los Angeles and Chicago.
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