: Reindeer herders in northern Russia who use traditional methods to navigate the frozen tundra.
" The Last Frontier " is the sixth episode of the 2011 BBC documentary series , narrated by David Attenborough. Unlike earlier episodes that focus on wildlife, this installment explores how humans have adapted to the extreme conditions of the polar regions. Key Cultural & Scientific Highlights Traditional Arctic Survival :
: The first exploration and filming of the volcano's ice caves by a film crew.
: Film crews collaborated with scientists to explore bizarre, crystal-filled ice caves inside this active volcano.
, where plastic camera parts frequently snapped and equipment froze solid.