Hafþór Björnsson competed in Strongman for over a decade and found fame as 'The Mountain' in Game of Thrones.
The world’s strongest man in 2018 and standing at 6ft 9in tall, Thor has now changed direction and is on the path to become a professional boxer.
What started out as a grudge between two of the world’s strongest men, has resulted in a life changing transformation.
I went to document Thor's training in the lead up to his next big fight against Eddie Hall.
Director - Pete Banks
Production Company - Kode Media