Before leaving the Pentagon, General Xu laid a wreath at the memorial to the 184 people killed in the attack on the building on September 11,2001.

VOA: standard.2009.10.27

Mr.Obama will interrupt a family weekend at the Camp David presidential retreat on Monday to lay a wreath at the Tomb of the Unknowns at Arlington National Cemetery.

VOA: standard.2009.05.23

After a stop to lay a wreath at Russia's Tomb of the Unknown Soldier, Mr.Obama will head to the Kremlin for a private meeting with Russian President Dmitri Medvedev.

VOA: standard.2009.07.06

On Memorial Day,the day Americans remember the fallen, the president or vice president traditionally lays a wreath at the Tomb of the Unknown - this is the scene from last year.

VOA: standard.2010.05.26