Article Photos: If you go: Martin Park Nature Center sensory events

Ralph Haney, president of the Oklahoma Guide Dogs Alumni Association, demonstrates the abilities of his guide dog Tallis to Dacia Sims, 9, at Martin Park Nature Center in Oklahoma City <strong>PAUL HELLSTERN - Oklahoman</strong>

Ralph Haney, president of the Oklahoma Guide Dogs Alumni Association, demonstrates the abilities of his guide dog Tallis to Dacia Sims, 9, at Martin Park Nature Center in Oklahoma City PAUL HELLSTERN - Oklahoman