"They say cats have nine lives. I've had 12 already and I don't know how many more I'll have. I remember thinking. 'Oh f***'. My boots and my waterproofs were dragging me down. I'm an extremely good swimmer, but I couldn't get to the surface.
"I was panicking and my lungs were filling with water. When I got to the top after getting my boots off I was dazed and my head was totally numb." Mr Ramsay failed to surface for 45 seconds before his film crew chucked him a rope and pulled him to safety.