Ceremonies held to mark 19th anniversary of September 11, 2001 attacks on World Trade Center in New York...
People pay silent tribute at the north refection pool during ceremonies marking the 19th anniversary of the September 11, 2001 attacks on the World Trade Center at the 911 Memorial & Museum in the Manhattan borough of New York City, New York, U.S., September 11, 2020. REUTERS/Carlo Allegri