It depicts his team's trek across Lake Baikal.
A midlands adventurer's documentary of his journey through the Siberian winter is launching at the Galway Film Fleadh this week.
Gary O'Keefe's One Mile Down: Siberian Scramble depicts his team's trek across the frozen Lake Baikal in Russia.
The documentary highlights their journey through minus-40 degree weather to claim two Guinness World Records.
The Abbeyleix man says the nerves you see on screen are real:
You can watch the trailer here.