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The Tribute of Light memorial shines above the World Trade Centre site. Mark Lennihan/AP/Press Association Images
9/11
Twin Towers memorial traps thousands of birds - video
Birds stunned by columns of light while flying above Manhattan.
TENS OF THOUSANDS OF BIRDS were accidentally trapped in the lights of a 9/11 memorial in New York at the weekend.
Two columns of lights were shone into the night sky from Ground Zero to mark the anniversary of the attack on the World Trade Centre. The lights are turned on every year to mark the 9/11 anniversary.
The lights had to be repeatedly switched off for 20-minute breaks to allow the birds continue on their migratory journeys, according to the Telegraph.
A campaign group which aims to draw attention to the negative effects of city lights on birds said that large numbers of birds had difficulty passing the 9/11 lights. It added that the group had arranged a plan of action with the memorial organisers to minimise the effect on birds.
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