Photo Gallery: Lake Thunderbird Trick or Treat 5/5

EMMSTAT paramedic  Lt. Gary Martin gives a tour of an ambulance to Journey Minor, left, Juliet Hanks and Jade Hanks during trick and treating in the Discovery Cove Nature Center at Lake Thunderbird on Thursday, Oct. 25, 2012 in Norman, Okla.   Photo by Steve Sisney, The Oklahoman