Twin beams of light commemorate 9/11 victims [photos]

One World Trade Center appears through the open ceiling of the Oculus, part of the World Trade Center transportation hub in New York, Tuesday, Sept. 11, 2018, the anniversary of 9/11 terrorist attacks. The transit hall ceiling window was opened just before 10:28 a.m., marking the moment that the North Tower of the World Trade Center collapsed on September 11, 2001. (AP Photo/Craig Ruttle)
One World Trade Center appears through the open ceiling of the Oculus, part of the World Trade Center transportation hub in New York, Tuesday, Sept. 11, 2018, the anniversary of 9/11 terrorist attacks. The transit hall ceiling window was opened just before 10:28 a.m., marking the moment that the North Tower of the World Trade Center collapsed on September 11, 2001. (AP Photo/Craig Ruttle)

NEW YORK (AP) - Two powerful light beams have lit up the lower Manhattan skyline as part of the annual Tribute in Light installation commemorating those who lost their lives on 9/11.

The twin beams can reach up to 4 miles into the sky and are comprised of 88 7,000-watt xenon light bulbs positioned in two 48-foot squares, echoing the shape of the Twin Towers. The lights will fade away at dawn on Wednesday.

This year the Tribute in Light is sponsored by the Carnegie Corporation of New York.

The memorial plaza will be open to the public until midnight.

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