WTC lights as Belgian national flag to mourn victims in Brussels attacks (4)

NEW YORK, March 23, 2016-- Colors that resemble the Belgian national flag are seen on top of the tower of One World Trade Center in New York, the United States, on March 22, 2016. At least 34 people were killed in a series of attacks in Brussels on Tuesday morning, of whom 14 died in a suicide attack at Brussels national airport. (Xinhua/Li Muzi)