Article Photos: Sensory experiences planned at Oklahoma City's Martin Park Nature Center

Ralph Haney, president of the Oklahoma Guide Dogs Alumni Association, talks about his guide dog, Tallis, with Dacia Sims, 9, at Martin Park Nature Center in Oklahoma City. Photos by Paul Hellstern, The Oklahoman

Ralph Haney, president of the Oklahoma Guide Dogs Alumni Association, talks about his guide dog, Tallis, with Dacia Sims, 9, at Martin Park Nature Center in Oklahoma City. Photos by Paul Hellstern, The Oklahoman