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The Wissahickon Memorial Bridge , originally called and still also known as the Henry Avenue Bridge , is a stone and concrete bridge that carries Henry Avenue over Wissahickon Creek and Lincoln Drive in Fairmount Park in Philadelphia , Pennsylvania .
 Philadelphia, Pennsylvania
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Philadelphia, Pennsylvania