World Trade Center graffiti
The words on beams, walls and stairwells of the skyscraper that replaces the twin towers lost on Sept. 11, 2001, form the graffiti of defiance and rebirth.
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Spanish graffiti
A popular Spanish phrase is penned next to two names on one concrete pillar: "Te Amo Tres Metros Sobre el Cielo," meaning, "I love you three steps above heaven."
Credit: AP Photo/Mark Lennihan
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