WTC workers scrawl graffiti of defiance, hope - Article Photos 4/12

This Jan. 15, 2013 photo shows a tribute in graffiti to Lilian Fredricks that a construction worker left on a steel column on the 104th floor of One World Trade Center in New York. Fredericks was killed in the 2001 terror attacks. Workers finishing New York's tallest building at the World Trade Center are leaving their personal marks on the concrete and steel in the form of graffiti. (AP Photo/Mark Lennihan)