By Bill Shields, WBZ-TVBy Bill Shields

BOSTON (CBS) – The makeshift memorial to the Boston Marathon bombing victims at Copley Square has grown to massive proportions and it reflects sympathy and hope from people around the world.

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Now, with rain in the forecast the next few days, the city has taken steps to preserve some of the items.

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“This is amazing, it’s an extraordinary outpouring of people’s sympathies and compassion and grief,” says John McColgan, the director of the Boston Archives Center in West Roxbury. “This is a record of the passion of the people of Boston and beyond.”

McColgan is now protecting tens of thousands of signatures and messages, so that they may be included in a permanent memorial someday.

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There are also medals that some of the runners earned, and bibs that are now being protected from the elements.

Bill Shields