Today in Lower Manhattan, thousands of visitors are crossing a landscaped plaza of oak trees towards two black granite, sculptural voids, carved deep into the earth, to commemorate the victims of September 11, 2001. Designed by Michael Arad ofHandel Architects, the National September 11 Memorial has transformed the last remnants of the former World Trade Center (WTC) towers into a power civic space for contemplation and healing. Here, the painful memory of 9/11 is preserved and honored, while the necessary bustle of everyday life is able to move forward