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Carl Malkmus and his horse BB begin their leg of the Pony Express Re-ride in Woodfords, Ca., on Thursday, June 14, 2012. About 600 riders retrace the historic route to deliver the mochila full of mail from Sacramento to St. Joseph, Missouri. In it's 152nd year, the event spans 10 days and 1,966 miles. .Photo by Cathleen Allison