Kids and adults mix and mingle during the Piedmont Avenue Merchant Association's 27th annual Halloween celebration in Oakland on Saturday.






Kids and adults mix and mingle during the Piedmont Avenue Merchant Association’s 27th annual Halloween celebration in Oakland, Calif., on Saturday,
Kids and adults mix and mingle during the Piedmont Avenue Merchant Association's 27th annual Halloween celebration in Oakland, Calif., on Saturday, Oct. 26, 2013. (Ray Chavez/Bay Area News Group)