Jessica Jamroz's "Empty Sky Memorial." An arch of light forms on the walls of the newly constructed 'Empty Sky Memorial' at Liberty State Park on Sept. 7, 2011 in Jersey City, New Jersey. The concrete and steel memorial designed by architect Jessica Jamroz pays tribute to the 746 citizens of New Jersey who lost their lives on Sept. 11. The memorial will officially open on September 10th with a ceremony that will be attended by families of 9/11 victims. (Photo by Justin Sullivan/Getty Images)
Wolfe von Lenkiewicz's "House of Mourning," 2008, pencil on Japanese restoration paper, 73 x 56 cm. "I thought instead of birds, I would have butterflies - giant ones hatching from the Twin Towers like a chrysalis..." -Wolfe von Lenkiewicz to Dazed Digital.