The Boston Marathon bombing memorial that was spontaneously created at the scene of the blast in Copley Square will be removed by Tuesday, Mayor Thomas Menino announced over the weekend.
The floral tributes, running shoes, stuffed animals and personal notes that expressed respect, sadness and defiance will be taken to the city archives.
Menino sent a letter to survivors and families of victims of the bombings on Friday explaining that some items had already been removed to prevent further deterioration.
The mayor also said that a Remembrance Committee will be formed to oversee the creation of a permanent memorial to victims and survivors of the April 15 attacks.
Menino explained that survivors and victims' family members are welcome to serve on the committee.
More than 6,400 runners gathered Sunday on Boston Common for a 10-kilometer race in the first major athletics event in the city since the explosions.
Marathon men's champion Leslia Desisa of Ethiopia returned his winner's medal to Menino to honor the city and the bombing victims. The blast killed three and injured more than 260.