A man lays a flower on a monument engraved with names of victims of the September 11th attacks, during a memorial event marking the 15th anniversary of September 11, 2001 attacks in the U.S., at the 9/11 Living Memorial Plaza in Jerusalem September 11, 2016. REUTERS/Ronen Zvulun

A man lays a flower on a monument engraved with names of victims of the September 11th attacks, during a memorial event marking the 15th anniversary of September 11, 2001 attacks in the U.S., at the 9/11 Living Memorial Plaza in Jerusalem September 11, 2016. REUTERS/Ronen Zvulun

A man lays a flower on a monument engraved with names of victims of the September 11th attacks, during a memorial event marking the 15th anniversary of September 11, 2001 attacks in the U.S., at the 9/11 Living Memorial Plaza in Jerusalem September 11, 2016. REUTERS/Ronen Zvulun

September 18, 2016 7:31 AM (UTC+8)