I don't actually know which 'unbelievable full story' you specifically refer to. There could be countless unbelievable stories in the world, like the story of Aron Ralston who got his arm stuck in a canyon and had to cut it off to survive. It's an unbelievable display of human willpower.
The story of Helen Keller is also quite unbelievable. She was born deaf and blind, but with the help of her teacher, Anne Sullivan, she learned to communicate, read, and write. She went on to become a renowned author, political activist, and lecturer. Her story shows that no matter how great the obstacles, human potential is limitless. It's a story of determination, education, and the power of the human spirit.
Yes, 'Unbelievable' is a true story. It aimed to shed light on real-life circumstances and the impact they have. The plot and characters were crafted based on actual events and people.
I once heard a story about a dog that saved an entire family from a house fire. The dog barked and scratched at the doors until they woke up and escaped. What makes it really unbelievable is that the dog had to overcome its own fear of fire to do so. It shows how amazing animals can be.