Helmets and caps of "Topos" are seen atop the 1985 earthquake's memorial, during a ceremony to commemorate its 25th anniversary in Mexico City, Sunday, Sept. 19, 2010. The "Topos" are a voluntary ... more 
Helmets and caps of "Topos" are seen atop the 1985 earthquake's memorial, during a ceremony to commemorate its 25th anniversary in Mexico City, Sunday, Sept. 19, 2010. The "Topos" are a voluntary civil brigade, created during the earthquake, to lead the rescue operations after the massive earthquake hit Mexico City, killing as many as 10,000 and leaving thousands homeless. less 
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Associated Press | Photo By Marco Ugarte
Mon, Sep 20, 2010 2:42 AM EDT