according to the daily mail, Norway a 18 The year old boy turned somersault at the height of up to 1200 feet (about 365 meters). He jumped from one rock to another, and the scene was very breathtaking. 
Bragi - Gus bloomer, a student from University of Oslo, completed the feat. His brother Garr took this video while he was struggling. My brother's hand was shaking when he was shooting.
"I want to do something that nobody else has done." Biraghi said. Brother Garr was very nervous when he heard the idea of his brother.