"Tribute in Light," a pair of giant beams that mimic the position and shape of the Twin Towers of the World Trade Center, illuminated the NYC Skyline on Tuesday. Tribute in Light is an art installation produced by the Municipal Art Society of New York that serves as an annual memorial to the tragic events of the 9/11 terror attacks. (Photo: VCG)

"Tribute in Light," a pair of giant beams that mimic the position and shape of the Twin Towers of the World Trade Center, illuminated the NYC Skyline on Tuesday. Tribute in Light is an art installation produced by the Municipal Art Society of New York that serves as an annual memorial to the tragic events of the 9/11 terror attacks. (Photo: VCG)

"Tribute in Light," a pair of giant beams that mimic the position and shape of the Twin Towers of the World Trade Center, illuminated the NYC Skyline on Tuesday. Tribute in Light is an art installation produced by the Municipal Art Society of New York that serves as an annual memorial to the tragic events of the 9/11 terror attacks. (Photo: VCG)

"Tribute in Light," a pair of giant beams that mimic the position and shape of the Twin Towers of the World Trade Center, illuminated the NYC Skyline on Tuesday. Tribute in Light is an art installation produced by the Municipal Art Society of New York that serves as an annual memorial to the tragic events of the 9/11 terror attacks. (Photo: VCG)

"Tribute in Light," a pair of giant beams that mimic the position and shape of the Twin Towers of the World Trade Center, illuminated the NYC Skyline on Tuesday. Tribute in Light is an art installation produced by the Municipal Art Society of New York that serves as an annual memorial to the tragic events of the 9/11 terror attacks. (Photo: VCG)