英语听力：自然百科 冰冻星球 前往地球尽头—21（在线收听）

 The greatest challenge for the team-making frozen planet was the extremely remote of their locations. Many of the shoots lasted almost the time and needed a number of clues to join forces. One location that world classic of see the Antarctic was Mount Aribarse, and Antarctic's most active volcano. This magical mountain does not give up her secrets.   To capture the 4 story of Mount Aribarse from top to bottom required 4 different film clues. The Cave Team was dropped off of toal thousand feet, post the greater. In hauling winds and thin oxygen, their challenge is to find a way into the volcano itself. They are eventually into the unknown. Somewhere below are spectaluar ice caves, noted all by volcano steam. Getting the team safely underground is a relief for director Charpen Hunter. Excellent, it's not warm down here. It's freezing on there, minus 29. With him is a cameraman Gaven Thriston. You saw the forget thing in here. You are actually in sort of volcano. You know Barves is I'm below this in barbiling liver. And go to least which is how this caves were made. It's also in Crister, came outside here. As the Cave Team have came deeper dangerous volcano gases make breathing different. The talk is taking, they were not having long to find the caves of crystals.