AU Sam & Dean not related - Adventurer & his Camerman

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I am looking for a story I am positive I read on AO3. In it Dean is an adventurer similar to Bear Grylls and Sam is his new cameraman. In the story Dean does not like Sam very much but gradually starts to really care for him. The one part of the story I really remember is Dean saving Sam when he becomes hypothermic. If I remember right Dean's brother died of hypothermia. I'm almost positive it was Sam and Dean but it could have been Jensen and Jared. Thanks for any help!