Back here at home the story behind that incredible picture, a woman trapped on an open draw bridge. She amazed everyone with her strength as strangers made desperate calls for help. Abc's matt gutman... See More
Back here at home the story behind that incredible picture, a woman trapped on an open draw bridge. She amazed everyone with her strength as strangers made desperate calls for help. Abc's matt gutman has the story. Reporter: Wanda mcgowan may forever be known as that woman on the bridge. Oh, my god she's stuck up there. Reporter: Perched 22 feet in the air, tonight the harrowing 911 calls. A lady called where? On the bridge. Reporter: The 55-year-old had just finished a breast cancer walk, taking what seemed a short-cut home. She headed for the bridge. As she began to cross, warnings sounded, slowly the bridge began TO RISE taking McGowan with it. Those emergency calls kept flying in. She's just hanging there, hanging. Reporter: The pink cancer walk shirt became a beacon of sorts of the trouble she was in. Yeah, I would bring an ambulance, too, because they're probably going to fall. Reporter: A crowd gathered screaming for her to hold on. She did, crutching the rails and that pink purse for 20 minutes until the fire department rolled out a 24 foot ladder and brought her down all to the cheers of the ladies assembled in pink. This bridge is normally in the upper position and everywhere you go you see these no trespassing signs with good reason. Three years ago a man fell from that bridge into the canal and died. Wanda said she didn't see them because she's legally blind. You can be sure she'll never take that short-cut home again. New clues in an unsolved
This transcript has been automatically generated and may not be 100% accurate.