Preparing for 9/11 anniversary
Sept 11 Colorado
Credit: AP
Members of the Colorado Army National Guard stand watch over a trailer load of steel artifacts from the World Trade Center at the City and County Building in Denver on Monday, Aug. 8, 2011. A news conference was held at Civic Center Park on Monday announcing that a commemorative event "Colorado Remembers 9/11" will be held on Sept. 11. It will include a free concert with renowned musicians at 1 p.m. on Sunday, Sept. 11, 2011, in Denver�s Civic Center Park. (AP Photo/Ed Andrieski)