Detailed text transcripts for TV channel - CNN - 20110108:05:02:00
Okay. let's go. i'm taking on the toughest tests that nature has to offer. and pushed my mind and body to the absolute limit. >> gets my heart pumping just watching it. bear grylls joins me now from london. how did you get started doing this? >> i started when i was 6 years old but never filmed before. my dad taught me to climb when i was very small, probably 5 or 6. grew up, joined the army, years with the british special forces and the job but the combat survival and the sky diving and the climbing and really so i kind of feel it's what i've always done all my life and just it's what i love....