Meet HL Alan Alvarez, 610-804-6577, at the Rite Aid Drugstore in Downingtown, at the intersection of Pennsylvania Ave. and Wallace Ave. Directions: From west on Bus. Route 30, turn right onto Wallace Avenue (at the traffic light in the center of Downingtown). At the next traffic light, continue straight across and turn right into the Rite Aid parking lot. Park cars facing Wallace Avenue. Bring snack and wate