Press photos by Donna GewertzJen Purcell, with Wildlands Conservancy, visits with campers Aug. 2 during North Catasauqua's Crafts and Laughs program, held at North Catasauqua William J. Albert Memorial Park, 701 Grove St., throughout the summer. Purcell asked campers to close their eyes to feel the effects of the air movement from a simulated owl wing to explain the flight of owls and their