Architecture: Empty Sky: New Jersey's September 11th Memorial: Empty Sky: New Jersey's September 11th Memorial

Governor Chris Christie and Port Authority of New York and New Jersey Chairman David Samson arrive at the Empty Sky Memorial Dedication at Liberty State Park in Jersey City, N.J. on Saturday, Sept. 10, 2011. (© Governor's Office / Photographer: Tim Larsen)
Empty Sky: New Jersey's September 11th Memorial

Governor Chris Christie and Port Authority of New York and New Jersey Chairman David Samson arrive at the Empty Sky Memorial Dedication at Liberty State Park in Jersey City, N.J. on Saturday, Sept. 10, 2011. (© Governor's Office / Photographer: Tim Larsen)