 Complete the following phrase:  In 2003, the Lower Manhattan Development Corporation launched the World Trade Center Site Memorial Competition, an international competition to design a memorial at the World Trade Center site to commemorate the lives lost on 911. Individuals and teams from around the world submitted design proposals. On November 19, 2003, the thirteen-member jury selected eight finalists. Reflecting Absence, designed by Michael Arad and Peter Walker, was chosen as the winning design on January 6, 2004. It consists of a field of trees interrupted by two large, recessed pools, the footprints of the Twin Towers. The deciduous trees swamp white oaks are arranged in rows and form informal clusters, clearings and groves. The park is at street level, above the Memorial Museum. The names of the victims of the attacks including those from the Pentagon, American Airlines Flight 77, United Airlines Flight 93, and the 