CARL RUSSO/Staff photo. TOWNSMAN: Thousands of people of all ages participated in the Northeastern Massachusetts Walk to End Alzheimer's on Saturday morning which began in Brickstone Square in Andover. People carried colorful pinwheel "flowers" during the walk that have the names of loved ones on them in show of support to end alzheimer's. Andover cousins, Riley O'Connor, 7 (left) and Kerry Ross, 6 carry their balloons while walking with family members. 9/29/2012.

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